278324480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31063}}^1$

素因数の和:31091

約数の個数: 72

約数和(自身を含む): 761937792

約数和(自身を除く): 483613312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 31063, 62126, 124252, 155315, 217441, 248504, 310630, 434882, 497008, 621260, 869764, 994016, 1087205, 1242520, 1739528, 1988032, 2174410, 2485040, 3479056, 3976064, 4348820, 4970080, 6958112, 7952128, 8697640, 9940160, 13916224, 17395280, 19880320, 27832448, 34790560, 39760640, 55664896, 69581120, 139162240, 278324480]

約数ペア:

[(1, 278324480), (2, 139162240), (4, 69581120), (5, 55664896), (7, 39760640), (8, 34790560), (10, 27832448), (14, 19880320), (16, 17395280), (20, 13916224), (28, 9940160), (32, 8697640), (35, 7952128), (40, 6958112), (56, 4970080), (64, 4348820), (70, 3976064), (80, 3479056), (112, 2485040), (128, 2174410), (140, 1988032), (160, 1739528), (224, 1242520), (256, 1087205), (280, 994016), (320, 869764), (448, 621260), (560, 497008), (640, 434882), (896, 310630), (1120, 248504), (1280, 217441), (1792, 155315), (2240, 124252), (4480, 62126), (8960, 31063)]