641156880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1014

約数の個数: 320

約数和(自身を含む): 2527838208

約数和(自身を除く): 1886681328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 91, 93, 104, 105, 112, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 208, 210, 217, 240, 248, 260, 273, 280, 310, 312, 336, 364, 372, 390, 403, 420, 434, 455, 465, 496, 520, 546, 560, 620, 624, 651, 728, 744, 780, 806, 840, 868, 910, 930, 947, 1040, 1085, 1092, 1209, 1240, 1302, 1365, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 1894, 2015, 2170, 2184, 2418, 2480, 2604, 2730, 2821, 2841, 3120, 3224, 3255, 3472, 3640, 3720, 3788, 4030, 4340, 4368, 4735, 4836, 5208, 5460, 5642, 5682, 6045, 6448, 6510, 6629, 7280, 7440, 7576, 8060, 8463, 8680, 9470, 9672, 10416, 10920, 11284, 11364, 12090, 12311, 13020, 13258, 14105, 14205, 15152, 16120, 16926, 17360, 18940, 19344, 19887, 21840, 22568, 22728, 24180, 24622, 26040, 26516, 28210, 28410, 29357, 32240, 33145, 33852, 36933, 37880, 39774, 42315, 45136, 45456, 48360, 49244, 52080, 53032, 56420, 56820, 58714, 61555, 66290, 67704, 73866, 75760, 79548, 84630, 86177, 88071, 96720, 98488, 99435, 106064, 112840, 113640, 117428, 123110, 132580, 135408, 146785, 147732, 159096, 169260, 172354, 176142, 184665, 196976, 198870, 205499, 225680, 227280, 234856, 246220, 258531, 265160, 293570, 295464, 318192, 338520, 344708, 352284, 369330, 381641, 397740, 410998, 430885, 440355, 469712, 492440, 517062, 530320, 587140, 590928, 616497, 677040, 689416, 704568, 738660, 763282, 795480, 821996, 861770, 880710, 984880, 1027495, 1034124, 1144923, 1174280, 1232994, 1292655, 1378832, 1409136, 1477320, 1526564, 1590960, 1643992, 1723540, 1761420, 1908205, 2054990, 2068248, 2289846, 2348560, 2465988, 2585310, 2671487, 2954640, 3053128, 3082485, 3287984, 3447080, 3522840, 3816410, 4109980, 4136496, 4579692, 4931976, 5170620, 5342974, 5724615, 6106256, 6164970, 6894160, 7045680, 7632820, 8014461, 8219960, 9159384, 9863952, 10341240, 10685948, 11449230, 12329940, 13357435, 15265640, 16028922, 16439920, 18318768, 20682480, 21371896, 22898460, 24659880, 26714870, 30531280, 32057844, 40072305, 42743792, 45796920, 49319760, 53429740, 64115688, 80144610, 91593840, 106859480, 128231376, 160289220, 213718960, 320578440, 641156880]

約数ペア:

[(1, 641156880), (2, 320578440), (3, 213718960), (4, 160289220), (5, 128231376), (6, 106859480), (7, 91593840), (8, 80144610), (10, 64115688), (12, 53429740), (13, 49319760), (14, 45796920), (15, 42743792), (16, 40072305), (20, 32057844), (21, 30531280), (24, 26714870), (26, 24659880), (28, 22898460), (30, 21371896), (31, 20682480), (35, 18318768), (39, 16439920), (40, 16028922), (42, 15265640), (48, 13357435), (52, 12329940), (56, 11449230), (60, 10685948), (62, 10341240), (65, 9863952), (70, 9159384), (78, 8219960), (80, 8014461), (84, 7632820), (91, 7045680), (93, 6894160), (104, 6164970), (105, 6106256), (112, 5724615), (120, 5342974), (124, 5170620), (130, 4931976), (140, 4579692), (155, 4136496), (156, 4109980), (168, 3816410), (182, 3522840), (186, 3447080), (195, 3287984), (208, 3082485), (210, 3053128), (217, 2954640), (240, 2671487), (248, 2585310), (260, 2465988), (273, 2348560), (280, 2289846), (310, 2068248), (312, 2054990), (336, 1908205), (364, 1761420), (372, 1723540), (390, 1643992), (403, 1590960), (420, 1526564), (434, 1477320), (455, 1409136), (465, 1378832), (496, 1292655), (520, 1232994), (546, 1174280), (560, 1144923), (620, 1034124), (624, 1027495), (651, 984880), (728, 880710), (744, 861770), (780, 821996), (806, 795480), (840, 763282), (868, 738660), (910, 704568), (930, 689416), (947, 677040), (1040, 616497), (1085, 590928), (1092, 587140), (1209, 530320), (1240, 517062), (1302, 492440), (1365, 469712), (1456, 440355), (1488, 430885), (1560, 410998), (1612, 397740), (1680, 381641), (1736, 369330), (1820, 352284), (1860, 344708), (1894, 338520), (2015, 318192), (2170, 295464), (2184, 293570), (2418, 265160), (2480, 258531), (2604, 246220), (2730, 234856), (2821, 227280), (2841, 225680), (3120, 205499), (3224, 198870), (3255, 196976), (3472, 184665), (3640, 176142), (3720, 172354), (3788, 169260), (4030, 159096), (4340, 147732), (4368, 146785), (4735, 135408), (4836, 132580), (5208, 123110), (5460, 117428), (5642, 113640), (5682, 112840), (6045, 106064), (6448, 99435), (6510, 98488), (6629, 96720), (7280, 88071), (7440, 86177), (7576, 84630), (8060, 79548), (8463, 75760), (8680, 73866), (9470, 67704), (9672, 66290), (10416, 61555), (10920, 58714), (11284, 56820), (11364, 56420), (12090, 53032), (12311, 52080), (13020, 49244), (13258, 48360), (14105, 45456), (14205, 45136), (15152, 42315), (16120, 39774), (16926, 37880), (17360, 36933), (18940, 33852), (19344, 33145), (19887, 32240), (21840, 29357), (22568, 28410), (22728, 28210), (24180, 26516), (24622, 26040)]