1921595760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 480

約数和(自身を含む): 7799500800

約数和(自身を除く): 5877905040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 98, 105, 112, 120, 124, 126, 140, 144, 147, 155, 168, 180, 186, 196, 210, 217, 240, 245, 248, 251, 252, 279, 280, 294, 310, 315, 336, 343, 360, 372, 392, 420, 434, 441, 465, 490, 496, 502, 504, 558, 560, 588, 620, 630, 651, 686, 720, 735, 744, 753, 784, 840, 868, 882, 930, 980, 1004, 1008, 1029, 1085, 1116, 1176, 1240, 1255, 1260, 1302, 1372, 1395, 1470, 1488, 1506, 1519, 1680, 1715, 1736, 1757, 1764, 1860, 1953, 1960, 2008, 2058, 2170, 2205, 2232, 2259, 2352, 2480, 2510, 2520, 2604, 2744, 2790, 2940, 3012, 3038, 3087, 3255, 3430, 3472, 3514, 3528, 3720, 3765, 3906, 3920, 4016, 4116, 4340, 4410, 4464, 4518, 4557, 5020, 5040, 5145, 5208, 5271, 5488, 5580, 5880, 6024, 6076, 6174, 6510, 6860, 7028, 7056, 7440, 7530, 7595, 7781, 7812, 8232, 8680, 8785, 8820, 9036, 9114, 9765, 10040, 10290, 10416, 10542, 10633, 11160, 11295, 11760, 12048, 12152, 12299, 12348, 13020, 13671, 13720, 14056, 15060, 15190, 15435, 15562, 15624, 15813, 16464, 17360, 17570, 17640, 18072, 18228, 19530, 20080, 20580, 21084, 21266, 22320, 22590, 22785, 23343, 24304, 24598, 24696, 26040, 26355, 27342, 27440, 28112, 30120, 30380, 30870, 31124, 31248, 31626, 31899, 35140, 35280, 36144, 36456, 36897, 38905, 39060, 41160, 42168, 42532, 45180, 45570, 46686, 49196, 49392, 52080, 52710, 53165, 54467, 54684, 60240, 60760, 61495, 61740, 62248, 63252, 63798, 68355, 70029, 70280, 72912, 73794, 77810, 78120, 79065, 82320, 84336, 85064, 86093, 90360, 91140, 93372, 95697, 98392, 105420, 106330, 108934, 109368, 110691, 116715, 121520, 122990, 123480, 124496, 126504, 127596, 136710, 140058, 140560, 147588, 155620, 156240, 158130, 159495, 163401, 170128, 172186, 180720, 182280, 184485, 186744, 191394, 196784, 210840, 212660, 217868, 218736, 221382, 233430, 245980, 246960, 253008, 255192, 258279, 272335, 273420, 280116, 295176, 311240, 316260, 318990, 326802, 344372, 350145, 364560, 368970, 373488, 381269, 382788, 421680, 425320, 430465, 435736, 442764, 466860, 478485, 490203, 491960, 510384, 516558, 544670, 546840, 553455, 560232, 590352, 622480, 632520, 637980, 653604, 688744, 700290, 737940, 762538, 765576, 774837, 817005, 850640, 860930, 871472, 885528, 933720, 956970, 980406, 983920, 1033116, 1089340, 1093680, 1106910, 1120464, 1143807, 1265040, 1275960, 1291395, 1307208, 1377488, 1400580, 1475880, 1525076, 1531152, 1549674, 1634010, 1721860, 1771056, 1867440, 1906345, 1913940, 1960812, 2066232, 2178680, 2213820, 2287614, 2451015, 2551920, 2582790, 2614416, 2668883, 2801160, 2951760, 3050152, 3099348, 3268020, 3431421, 3443720, 3812690, 3827880, 3874185, 3921624, 4132464, 4357360, 4427640, 4575228, 4902030, 5165580, 5337766, 5602320, 5719035, 6100304, 6198696, 6536040, 6862842, 6887440, 7625380, 7655760, 7748370, 7843248, 8006649, 8855280, 9150456, 9804060, 10331160, 10675532, 11438070, 12397392, 13072080, 13344415, 13725684, 15250760, 15496740, 16013298, 17157105, 18300912, 19608120, 20662320, 21351064, 22876140, 24019947, 26688830, 27451368, 30501520, 30993480, 32026596, 34314210, 39216240, 40033245, 42702128, 45752280, 48039894, 53377660, 54902736, 61986960, 64053192, 68628420, 80066490, 91504560, 96079788, 106755320, 120099735, 128106384, 137256840, 160132980, 192159576, 213510640, 240199470, 274513680, 320265960, 384319152, 480398940, 640531920, 960797880, 1921595760]

約数ペア:

[(1, 1921595760), (2, 960797880), (3, 640531920), (4, 480398940), (5, 384319152), (6, 320265960), (7, 274513680), (8, 240199470), (9, 213510640), (10, 192159576), (12, 160132980), (14, 137256840), (15, 128106384), (16, 120099735), (18, 106755320), (20, 96079788), (21, 91504560), (24, 80066490), (28, 68628420), (30, 64053192), (31, 61986960), (35, 54902736), (36, 53377660), (40, 48039894), (42, 45752280), (45, 42702128), (48, 40033245), (49, 39216240), (56, 34314210), (60, 32026596), (62, 30993480), (63, 30501520), (70, 27451368), (72, 26688830), (80, 24019947), (84, 22876140), (90, 21351064), (93, 20662320), (98, 19608120), (105, 18300912), (112, 17157105), (120, 16013298), (124, 15496740), (126, 15250760), (140, 13725684), (144, 13344415), (147, 13072080), (155, 12397392), (168, 11438070), (180, 10675532), (186, 10331160), (196, 9804060), (210, 9150456), (217, 8855280), (240, 8006649), (245, 7843248), (248, 7748370), (251, 7655760), (252, 7625380), (279, 6887440), (280, 6862842), (294, 6536040), (310, 6198696), (315, 6100304), (336, 5719035), (343, 5602320), (360, 5337766), (372, 5165580), (392, 4902030), (420, 4575228), (434, 4427640), (441, 4357360), (465, 4132464), (490, 3921624), (496, 3874185), (502, 3827880), (504, 3812690), (558, 3443720), (560, 3431421), (588, 3268020), (620, 3099348), (630, 3050152), (651, 2951760), (686, 2801160), (720, 2668883), (735, 2614416), (744, 2582790), (753, 2551920), (784, 2451015), (840, 2287614), (868, 2213820), (882, 2178680), (930, 2066232), (980, 1960812), (1004, 1913940), (1008, 1906345), (1029, 1867440), (1085, 1771056), (1116, 1721860), (1176, 1634010), (1240, 1549674), (1255, 1531152), (1260, 1525076), (1302, 1475880), (1372, 1400580), (1395, 1377488), (1470, 1307208), (1488, 1291395), (1506, 1275960), (1519, 1265040), (1680, 1143807), (1715, 1120464), (1736, 1106910), (1757, 1093680), (1764, 1089340), (1860, 1033116), (1953, 983920), (1960, 980406), (2008, 956970), (2058, 933720), (2170, 885528), (2205, 871472), (2232, 860930), (2259, 850640), (2352, 817005), (2480, 774837), (2510, 765576), (2520, 762538), (2604, 737940), (2744, 700290), (2790, 688744), (2940, 653604), (3012, 637980), (3038, 632520), (3087, 622480), (3255, 590352), (3430, 560232), (3472, 553455), (3514, 546840), (3528, 544670), (3720, 516558), (3765, 510384), (3906, 491960), (3920, 490203), (4016, 478485), (4116, 466860), (4340, 442764), (4410, 435736), (4464, 430465), (4518, 425320), (4557, 421680), (5020, 382788), (5040, 381269), (5145, 373488), (5208, 368970), (5271, 364560), (5488, 350145), (5580, 344372), (5880, 326802), (6024, 318990), (6076, 316260), (6174, 311240), (6510, 295176), (6860, 280116), (7028, 273420), (7056, 272335), (7440, 258279), (7530, 255192), (7595, 253008), (7781, 246960), (7812, 245980), (8232, 233430), (8680, 221382), (8785, 218736), (8820, 217868), (9036, 212660), (9114, 210840), (9765, 196784), (10040, 191394), (10290, 186744), (10416, 184485), (10542, 182280), (10633, 180720), (11160, 172186), (11295, 170128), (11760, 163401), (12048, 159495), (12152, 158130), (12299, 156240), (12348, 155620), (13020, 147588), (13671, 140560), (13720, 140058), (14056, 136710), (15060, 127596), (15190, 126504), (15435, 124496), (15562, 123480), (15624, 122990), (15813, 121520), (16464, 116715), (17360, 110691), (17570, 109368), (17640, 108934), (18072, 106330), (18228, 105420), (19530, 98392), (20080, 95697), (20580, 93372), (21084, 91140), (21266, 90360), (22320, 86093), (22590, 85064), (22785, 84336), (23343, 82320), (24304, 79065), (24598, 78120), (24696, 77810), (26040, 73794), (26355, 72912), (27342, 70280), (27440, 70029), (28112, 68355), (30120, 63798), (30380, 63252), (30870, 62248), (31124, 61740), (31248, 61495), (31626, 60760), (31899, 60240), (35140, 54684), (35280, 54467), (36144, 53165), (36456, 52710), (36897, 52080), (38905, 49392), (39060, 49196), (41160, 46686), (42168, 45570), (42532, 45180)]