409298640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1321}}^1$

素因数の和:2628

約数の個数: 80

約数和(自身を含む): 1270769856

約数和(自身を除く): 861471216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1291, 1321, 2582, 2642, 3873, 3963, 5164, 5284, 6455, 6605, 7746, 7926, 10328, 10568, 12910, 13210, 15492, 15852, 19365, 19815, 20656, 21136, 25820, 26420, 30984, 31704, 38730, 39630, 51640, 52840, 61968, 63408, 77460, 79260, 103280, 105680, 154920, 158520, 309840, 317040, 1705411, 3410822, 5116233, 6821644, 8527055, 10232466, 13643288, 17054110, 20464932, 25581165, 27286576, 34108220, 40929864, 51162330, 68216440, 81859728, 102324660, 136432880, 204649320, 409298640]

約数ペア:

[(1, 409298640), (2, 204649320), (3, 136432880), (4, 102324660), (5, 81859728), (6, 68216440), (8, 51162330), (10, 40929864), (12, 34108220), (15, 27286576), (16, 25581165), (20, 20464932), (24, 17054110), (30, 13643288), (40, 10232466), (48, 8527055), (60, 6821644), (80, 5116233), (120, 3410822), (240, 1705411), (1291, 317040), (1321, 309840), (2582, 158520), (2642, 154920), (3873, 105680), (3963, 103280), (5164, 79260), (5284, 77460), (6455, 63408), (6605, 61968), (7746, 52840), (7926, 51640), (10328, 39630), (10568, 38730), (12910, 31704), (13210, 30984), (15492, 26420), (15852, 25820), (19365, 21136), (19815, 20656)]