213718960

素因数分解:

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

素因数の和:1011

約数の個数: 160

約数和(自身を含む): 631959552

約数和(自身を除く): 418240592

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 947, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1894, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 3788, 4030, 4340, 4735, 5642, 6448, 6629, 7280, 7576, 8060, 8680, 9470, 11284, 12311, 13258, 14105, 15152, 16120, 17360, 18940, 22568, 24622, 26516, 28210, 29357, 32240, 33145, 37880, 45136, 49244, 53032, 56420, 58714, 61555, 66290, 75760, 86177, 98488, 106064, 112840, 117428, 123110, 132580, 146785, 172354, 196976, 205499, 225680, 234856, 246220, 265160, 293570, 344708, 381641, 410998, 430885, 469712, 492440, 530320, 587140, 689416, 763282, 821996, 861770, 984880, 1027495, 1174280, 1378832, 1526564, 1643992, 1723540, 1908205, 2054990, 2348560, 2671487, 3053128, 3287984, 3447080, 3816410, 4109980, 5342974, 6106256, 6894160, 7632820, 8219960, 10685948, 13357435, 15265640, 16439920, 21371896, 26714870, 30531280, 42743792, 53429740, 106859480, 213718960]

約数ペア:

[(1, 213718960), (2, 106859480), (4, 53429740), (5, 42743792), (7, 30531280), (8, 26714870), (10, 21371896), (13, 16439920), (14, 15265640), (16, 13357435), (20, 10685948), (26, 8219960), (28, 7632820), (31, 6894160), (35, 6106256), (40, 5342974), (52, 4109980), (56, 3816410), (62, 3447080), (65, 3287984), (70, 3053128), (80, 2671487), (91, 2348560), (104, 2054990), (112, 1908205), (124, 1723540), (130, 1643992), (140, 1526564), (155, 1378832), (182, 1174280), (208, 1027495), (217, 984880), (248, 861770), (260, 821996), (280, 763282), (310, 689416), (364, 587140), (403, 530320), (434, 492440), (455, 469712), (496, 430885), (520, 410998), (560, 381641), (620, 344708), (728, 293570), (806, 265160), (868, 246220), (910, 234856), (947, 225680), (1040, 205499), (1085, 196976), (1240, 172354), (1456, 146785), (1612, 132580), (1736, 123110), (1820, 117428), (1894, 112840), (2015, 106064), (2170, 98488), (2480, 86177), (2821, 75760), (3224, 66290), (3472, 61555), (3640, 58714), (3788, 56420), (4030, 53032), (4340, 49244), (4735, 45136), (5642, 37880), (6448, 33145), (6629, 32240), (7280, 29357), (7576, 28210), (8060, 26516), (8680, 24622), (9470, 22568), (11284, 18940), (12311, 17360), (13258, 16120), (14105, 15152)]