391537440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 432

約数和(自身を含む): 1613364480

約数和(自身を除く): 1221827040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 140, 144, 147, 155, 160, 168, 179, 180, 186, 196, 210, 217, 224, 240, 245, 248, 252, 279, 280, 288, 294, 310, 315, 336, 358, 360, 372, 392, 420, 434, 441, 465, 480, 490, 496, 504, 537, 558, 560, 588, 620, 630, 651, 672, 716, 720, 735, 744, 784, 840, 868, 882, 895, 930, 980, 992, 1008, 1074, 1085, 1116, 1120, 1176, 1240, 1253, 1260, 1302, 1395, 1432, 1440, 1470, 1488, 1519, 1568, 1611, 1680, 1736, 1764, 1790, 1860, 1953, 1960, 2016, 2148, 2170, 2205, 2232, 2352, 2480, 2506, 2520, 2604, 2685, 2790, 2864, 2940, 2976, 3038, 3222, 3255, 3360, 3472, 3528, 3580, 3720, 3759, 3906, 3920, 4296, 4340, 4410, 4464, 4557, 4704, 4960, 5012, 5040, 5208, 5370, 5549, 5580, 5728, 5880, 6076, 6265, 6444, 6510, 6944, 7056, 7160, 7440, 7518, 7595, 7812, 7840, 8055, 8592, 8680, 8771, 8820, 8928, 9114, 9765, 10024, 10080, 10416, 10740, 11098, 11160, 11277, 11760, 12152, 12530, 12888, 13020, 13671, 14112, 14320, 14880, 15036, 15190, 15624, 16110, 16647, 17184, 17360, 17542, 17640, 18228, 18795, 19530, 20048, 20832, 21480, 22196, 22320, 22554, 22785, 23520, 24304, 25060, 25776, 26040, 26313, 27342, 27745, 28640, 30072, 30380, 31248, 32220, 33294, 34720, 35084, 35280, 36456, 37590, 38843, 39060, 40096, 42960, 43855, 44392, 44640, 45108, 45570, 48608, 49941, 50120, 51552, 52080, 52626, 54684, 55490, 56385, 60144, 60760, 62496, 64440, 66588, 68355, 70168, 70560, 72912, 75180, 77686, 78120, 78939, 83235, 85920, 87710, 88784, 90216, 91140, 99882, 100240, 104160, 105252, 109368, 110980, 112770, 116529, 120288, 121520, 128880, 131565, 133176, 136710, 140336, 145824, 150360, 155372, 156240, 157878, 166470, 175420, 177568, 180432, 182280, 194215, 199764, 200480, 210504, 218736, 221960, 225540, 233058, 243040, 249705, 257760, 263130, 266352, 271901, 273420, 280672, 300720, 310744, 312480, 315756, 332940, 349587, 350840, 360864, 364560, 388430, 394695, 399528, 421008, 437472, 443920, 451080, 466116, 499410, 526260, 532704, 543802, 546840, 582645, 601440, 621488, 631512, 665880, 699174, 701680, 729120, 776860, 789390, 799056, 815703, 842016, 887840, 902160, 932232, 998820, 1052520, 1087604, 1093680, 1165290, 1242976, 1263024, 1331760, 1359505, 1398348, 1403360, 1553720, 1578780, 1598112, 1631406, 1747935, 1804320, 1864464, 1997640, 2105040, 2175208, 2187360, 2330580, 2447109, 2526048, 2663520, 2719010, 2796696, 3107440, 3157560, 3262812, 3495870, 3728928, 3995280, 4078515, 4210080, 4350416, 4661160, 4894218, 5438020, 5593392, 6214880, 6315120, 6525624, 6991740, 7990560, 8157030, 8700832, 9322320, 9788436, 10876040, 11186784, 12235545, 12630240, 13051248, 13983480, 16314060, 18644640, 19576872, 21752080, 24471090, 26102496, 27966960, 32628120, 39153744, 43504160, 48942180, 55933920, 65256240, 78307488, 97884360, 130512480, 195768720, 391537440]

約数ペア:

[(1, 391537440), (2, 195768720), (3, 130512480), (4, 97884360), (5, 78307488), (6, 65256240), (7, 55933920), (8, 48942180), (9, 43504160), (10, 39153744), (12, 32628120), (14, 27966960), (15, 26102496), (16, 24471090), (18, 21752080), (20, 19576872), (21, 18644640), (24, 16314060), (28, 13983480), (30, 13051248), (31, 12630240), (32, 12235545), (35, 11186784), (36, 10876040), (40, 9788436), (42, 9322320), (45, 8700832), (48, 8157030), (49, 7990560), (56, 6991740), (60, 6525624), (62, 6315120), (63, 6214880), (70, 5593392), (72, 5438020), (80, 4894218), (84, 4661160), (90, 4350416), (93, 4210080), (96, 4078515), (98, 3995280), (105, 3728928), (112, 3495870), (120, 3262812), (124, 3157560), (126, 3107440), (140, 2796696), (144, 2719010), (147, 2663520), (155, 2526048), (160, 2447109), (168, 2330580), (179, 2187360), (180, 2175208), (186, 2105040), (196, 1997640), (210, 1864464), (217, 1804320), (224, 1747935), (240, 1631406), (245, 1598112), (248, 1578780), (252, 1553720), (279, 1403360), (280, 1398348), (288, 1359505), (294, 1331760), (310, 1263024), (315, 1242976), (336, 1165290), (358, 1093680), (360, 1087604), (372, 1052520), (392, 998820), (420, 932232), (434, 902160), (441, 887840), (465, 842016), (480, 815703), (490, 799056), (496, 789390), (504, 776860), (537, 729120), (558, 701680), (560, 699174), (588, 665880), (620, 631512), (630, 621488), (651, 601440), (672, 582645), (716, 546840), (720, 543802), (735, 532704), (744, 526260), (784, 499410), (840, 466116), (868, 451080), (882, 443920), (895, 437472), (930, 421008), (980, 399528), (992, 394695), (1008, 388430), (1074, 364560), (1085, 360864), (1116, 350840), (1120, 349587), (1176, 332940), (1240, 315756), (1253, 312480), (1260, 310744), (1302, 300720), (1395, 280672), (1432, 273420), (1440, 271901), (1470, 266352), (1488, 263130), (1519, 257760), (1568, 249705), (1611, 243040), (1680, 233058), (1736, 225540), (1764, 221960), (1790, 218736), (1860, 210504), (1953, 200480), (1960, 199764), (2016, 194215), (2148, 182280), (2170, 180432), (2205, 177568), (2232, 175420), (2352, 166470), (2480, 157878), (2506, 156240), (2520, 155372), (2604, 150360), (2685, 145824), (2790, 140336), (2864, 136710), (2940, 133176), (2976, 131565), (3038, 128880), (3222, 121520), (3255, 120288), (3360, 116529), (3472, 112770), (3528, 110980), (3580, 109368), (3720, 105252), (3759, 104160), (3906, 100240), (3920, 99882), (4296, 91140), (4340, 90216), (4410, 88784), (4464, 87710), (4557, 85920), (4704, 83235), (4960, 78939), (5012, 78120), (5040, 77686), (5208, 75180), (5370, 72912), (5549, 70560), (5580, 70168), (5728, 68355), (5880, 66588), (6076, 64440), (6265, 62496), (6444, 60760), (6510, 60144), (6944, 56385), (7056, 55490), (7160, 54684), (7440, 52626), (7518, 52080), (7595, 51552), (7812, 50120), (7840, 49941), (8055, 48608), (8592, 45570), (8680, 45108), (8771, 44640), (8820, 44392), (8928, 43855), (9114, 42960), (9765, 40096), (10024, 39060), (10080, 38843), (10416, 37590), (10740, 36456), (11098, 35280), (11160, 35084), (11277, 34720), (11760, 33294), (12152, 32220), (12530, 31248), (12888, 30380), (13020, 30072), (13671, 28640), (14112, 27745), (14320, 27342), (14880, 26313), (15036, 26040), (15190, 25776), (15624, 25060), (16110, 24304), (16647, 23520), (17184, 22785), (17360, 22554), (17542, 22320), (17640, 22196), (18228, 21480), (18795, 20832), (19530, 20048)]