639724680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 384

約数和(自身を含む): 2587852800

約数和(自身を除く): 1948128120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 56, 57, 60, 62, 63, 70, 72, 76, 84, 90, 93, 95, 105, 114, 120, 124, 126, 133, 140, 152, 155, 168, 171, 180, 186, 190, 210, 217, 228, 248, 252, 266, 279, 280, 285, 310, 315, 342, 360, 372, 380, 399, 420, 431, 434, 456, 465, 504, 532, 558, 570, 589, 620, 630, 651, 665, 684, 744, 760, 798, 840, 855, 862, 868, 930, 1064, 1085, 1116, 1140, 1178, 1197, 1240, 1260, 1293, 1302, 1330, 1368, 1395, 1596, 1710, 1724, 1736, 1767, 1860, 1953, 1995, 2155, 2170, 2232, 2280, 2356, 2394, 2520, 2586, 2604, 2660, 2790, 2945, 3017, 3192, 3255, 3420, 3448, 3534, 3720, 3879, 3906, 3990, 4123, 4310, 4340, 4712, 4788, 5172, 5208, 5301, 5320, 5580, 5890, 5985, 6034, 6465, 6510, 6840, 7068, 7758, 7812, 7980, 8189, 8246, 8620, 8680, 8835, 9051, 9576, 9765, 10344, 10602, 11160, 11780, 11970, 12068, 12369, 12930, 13020, 13361, 14136, 15085, 15516, 15624, 15960, 16378, 16492, 17240, 17670, 18102, 19395, 19530, 20615, 21204, 23560, 23940, 24136, 24567, 24738, 25860, 26040, 26505, 26722, 27153, 30170, 31032, 32756, 32984, 35340, 36204, 37107, 38790, 39060, 40083, 40945, 41230, 42408, 45255, 47880, 49134, 49476, 51720, 53010, 53444, 54306, 57323, 60340, 61845, 65512, 66805, 70680, 72408, 73701, 74214, 77580, 78120, 80166, 81890, 82460, 90510, 93527, 98268, 98952, 106020, 106888, 108612, 114646, 120249, 120680, 122835, 123690, 133610, 135765, 147402, 148428, 155160, 160332, 163780, 164920, 171969, 181020, 185535, 187054, 196536, 200415, 212040, 217224, 229292, 240498, 245670, 247380, 253859, 267220, 271530, 280581, 286615, 294804, 296856, 320664, 327560, 343938, 362040, 368505, 371070, 374108, 400830, 458584, 467635, 480996, 491340, 494760, 507718, 515907, 534440, 543060, 561162, 573230, 589608, 601245, 687876, 737010, 742140, 748216, 761577, 801660, 841743, 859845, 935270, 961992, 982680, 1015436, 1031814, 1086120, 1122324, 1146460, 1202490, 1269295, 1375752, 1402905, 1474020, 1484280, 1523154, 1603320, 1683486, 1719690, 1777013, 1870540, 2030872, 2063628, 2244648, 2284731, 2292920, 2404980, 2538590, 2579535, 2805810, 2948040, 3046308, 3366972, 3439380, 3554026, 3741080, 3807885, 4127256, 4208715, 4569462, 4809960, 5077180, 5159070, 5331039, 5611620, 6092616, 6733944, 6878760, 7108052, 7615770, 8417430, 8885065, 9138924, 10154360, 10318140, 10662078, 11223240, 11423655, 14216104, 15231540, 15993117, 16834860, 17770130, 18277848, 20636280, 21324156, 22847310, 26655195, 30463080, 31986234, 33669720, 35540260, 42648312, 45694620, 53310390, 63972468, 71080520, 79965585, 91389240, 106620780, 127944936, 159931170, 213241560, 319862340, 639724680]

約数ペア:

[(1, 639724680), (2, 319862340), (3, 213241560), (4, 159931170), (5, 127944936), (6, 106620780), (7, 91389240), (8, 79965585), (9, 71080520), (10, 63972468), (12, 53310390), (14, 45694620), (15, 42648312), (18, 35540260), (19, 33669720), (20, 31986234), (21, 30463080), (24, 26655195), (28, 22847310), (30, 21324156), (31, 20636280), (35, 18277848), (36, 17770130), (38, 16834860), (40, 15993117), (42, 15231540), (45, 14216104), (56, 11423655), (57, 11223240), (60, 10662078), (62, 10318140), (63, 10154360), (70, 9138924), (72, 8885065), (76, 8417430), (84, 7615770), (90, 7108052), (93, 6878760), (95, 6733944), (105, 6092616), (114, 5611620), (120, 5331039), (124, 5159070), (126, 5077180), (133, 4809960), (140, 4569462), (152, 4208715), (155, 4127256), (168, 3807885), (171, 3741080), (180, 3554026), (186, 3439380), (190, 3366972), (210, 3046308), (217, 2948040), (228, 2805810), (248, 2579535), (252, 2538590), (266, 2404980), (279, 2292920), (280, 2284731), (285, 2244648), (310, 2063628), (315, 2030872), (342, 1870540), (360, 1777013), (372, 1719690), (380, 1683486), (399, 1603320), (420, 1523154), (431, 1484280), (434, 1474020), (456, 1402905), (465, 1375752), (504, 1269295), (532, 1202490), (558, 1146460), (570, 1122324), (589, 1086120), (620, 1031814), (630, 1015436), (651, 982680), (665, 961992), (684, 935270), (744, 859845), (760, 841743), (798, 801660), (840, 761577), (855, 748216), (862, 742140), (868, 737010), (930, 687876), (1064, 601245), (1085, 589608), (1116, 573230), (1140, 561162), (1178, 543060), (1197, 534440), (1240, 515907), (1260, 507718), (1293, 494760), (1302, 491340), (1330, 480996), (1368, 467635), (1395, 458584), (1596, 400830), (1710, 374108), (1724, 371070), (1736, 368505), (1767, 362040), (1860, 343938), (1953, 327560), (1995, 320664), (2155, 296856), (2170, 294804), (2232, 286615), (2280, 280581), (2356, 271530), (2394, 267220), (2520, 253859), (2586, 247380), (2604, 245670), (2660, 240498), (2790, 229292), (2945, 217224), (3017, 212040), (3192, 200415), (3255, 196536), (3420, 187054), (3448, 185535), (3534, 181020), (3720, 171969), (3879, 164920), (3906, 163780), (3990, 160332), (4123, 155160), (4310, 148428), (4340, 147402), (4712, 135765), (4788, 133610), (5172, 123690), (5208, 122835), (5301, 120680), (5320, 120249), (5580, 114646), (5890, 108612), (5985, 106888), (6034, 106020), (6465, 98952), (6510, 98268), (6840, 93527), (7068, 90510), (7758, 82460), (7812, 81890), (7980, 80166), (8189, 78120), (8246, 77580), (8620, 74214), (8680, 73701), (8835, 72408), (9051, 70680), (9576, 66805), (9765, 65512), (10344, 61845), (10602, 60340), (11160, 57323), (11780, 54306), (11970, 53444), (12068, 53010), (12369, 51720), (12930, 49476), (13020, 49134), (13361, 47880), (14136, 45255), (15085, 42408), (15516, 41230), (15624, 40945), (15960, 40083), (16378, 39060), (16492, 38790), (17240, 37107), (17670, 36204), (18102, 35340), (19395, 32984), (19530, 32756), (20615, 31032), (21204, 30170), (23560, 27153), (23940, 26722), (24136, 26505), (24567, 26040), (24738, 25860)]