681491200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8230

約数の個数: 108

約数和(自身を含む): 1816772608

約数和(自身を除く): 1135281408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2600, 3200, 3328, 4160, 5200, 6400, 8191, 8320, 10400, 16382, 16640, 20800, 32764, 40955, 41600, 65528, 81910, 83200, 106483, 131056, 163820, 204775, 212966, 262112, 327640, 409550, 425932, 524224, 532415, 655280, 819100, 851864, 1048448, 1064830, 1310560, 1638200, 1703728, 2096896, 2129660, 2621120, 2662075, 3276400, 3407456, 4259320, 5242240, 5324150, 6552800, 6814912, 8518640, 10484480, 10648300, 13105600, 13629824, 17037280, 21296600, 26211200, 27259648, 34074560, 42593200, 52422400, 68149120, 85186400, 136298240, 170372800, 340745600, 681491200]

約数ペア:

[(1, 681491200), (2, 340745600), (4, 170372800), (5, 136298240), (8, 85186400), (10, 68149120), (13, 52422400), (16, 42593200), (20, 34074560), (25, 27259648), (26, 26211200), (32, 21296600), (40, 17037280), (50, 13629824), (52, 13105600), (64, 10648300), (65, 10484480), (80, 8518640), (100, 6814912), (104, 6552800), (128, 5324150), (130, 5242240), (160, 4259320), (200, 3407456), (208, 3276400), (256, 2662075), (260, 2621120), (320, 2129660), (325, 2096896), (400, 1703728), (416, 1638200), (520, 1310560), (640, 1064830), (650, 1048448), (800, 851864), (832, 819100), (1040, 655280), (1280, 532415), (1300, 524224), (1600, 425932), (1664, 409550), (2080, 327640), (2600, 262112), (3200, 212966), (3328, 204775), (4160, 163820), (5200, 131056), (6400, 106483), (8191, 83200), (8320, 81910), (10400, 65528), (16382, 41600), (16640, 40955), (20800, 32764)]