76818280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 220320000

約数和(自身を除く): 143501720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 509, 539, 616, 686, 770, 980, 1018, 1078, 1372, 1540, 1715, 1960, 2036, 2156, 2545, 2695, 2744, 3080, 3430, 3563, 3773, 4072, 4312, 5090, 5390, 5599, 6860, 7126, 7546, 10180, 10780, 11198, 13720, 14252, 15092, 17815, 18865, 20360, 21560, 22396, 24941, 27995, 28504, 30184, 35630, 37730, 39193, 44792, 49882, 55990, 71260, 75460, 78386, 99764, 111980, 124705, 142520, 150920, 156772, 174587, 195965, 199528, 223960, 249410, 274351, 313544, 349174, 391930, 498820, 548702, 698348, 783860, 872935, 997640, 1097404, 1371755, 1396696, 1567720, 1745870, 1920457, 2194808, 2743510, 3491740, 3840914, 5487020, 6983480, 7681828, 9602285, 10974040, 15363656, 19204570, 38409140, 76818280]

約数ペア:

[(1, 76818280), (2, 38409140), (4, 19204570), (5, 15363656), (7, 10974040), (8, 9602285), (10, 7681828), (11, 6983480), (14, 5487020), (20, 3840914), (22, 3491740), (28, 2743510), (35, 2194808), (40, 1920457), (44, 1745870), (49, 1567720), (55, 1396696), (56, 1371755), (70, 1097404), (77, 997640), (88, 872935), (98, 783860), (110, 698348), (140, 548702), (154, 498820), (196, 391930), (220, 349174), (245, 313544), (280, 274351), (308, 249410), (343, 223960), (385, 199528), (392, 195965), (440, 174587), (490, 156772), (509, 150920), (539, 142520), (616, 124705), (686, 111980), (770, 99764), (980, 78386), (1018, 75460), (1078, 71260), (1372, 55990), (1540, 49882), (1715, 44792), (1960, 39193), (2036, 37730), (2156, 35630), (2545, 30184), (2695, 28504), (2744, 27995), (3080, 24941), (3430, 22396), (3563, 21560), (3773, 20360), (4072, 18865), (4312, 17815), (5090, 15092), (5390, 14252), (5599, 13720), (6860, 11198), (7126, 10780), (7546, 10180)]