78759680

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 193869312

約数和(自身を除く): 115109632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 1663, 2368, 2960, 3326, 4736, 5920, 6652, 8315, 9472, 11840, 13304, 16630, 23680, 26608, 33260, 47360, 53216, 61531, 66520, 106432, 123062, 133040, 212864, 246124, 266080, 307655, 425728, 492248, 532160, 615310, 984496, 1064320, 1230620, 1968992, 2128640, 2461240, 3937984, 4922480, 7875968, 9844960, 15751936, 19689920, 39379840, 78759680]

約数ペア:

[(1, 78759680), (2, 39379840), (4, 19689920), (5, 15751936), (8, 9844960), (10, 7875968), (16, 4922480), (20, 3937984), (32, 2461240), (37, 2128640), (40, 1968992), (64, 1230620), (74, 1064320), (80, 984496), (128, 615310), (148, 532160), (160, 492248), (185, 425728), (256, 307655), (296, 266080), (320, 246124), (370, 212864), (592, 133040), (640, 123062), (740, 106432), (1184, 66520), (1280, 61531), (1480, 53216), (1663, 47360), (2368, 33260), (2960, 26608), (3326, 23680), (4736, 16630), (5920, 13304), (6652, 11840), (8315, 9472)]