680554240

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4969}}^1$

素因数の和:5097

約数の個数: 72

約数和(自身を含む): 1645706160

約数和(自身を除く): 965151920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 535, 640, 856, 1070, 1280, 1712, 2140, 3424, 4280, 4969, 6848, 8560, 9938, 13696, 17120, 19876, 24845, 27392, 34240, 39752, 49690, 68480, 79504, 99380, 136960, 159008, 198760, 318016, 397520, 531683, 636032, 795040, 1063366, 1272064, 1590080, 2126732, 2658415, 3180160, 4253464, 5316830, 6360320, 8506928, 10633660, 17013856, 21267320, 34027712, 42534640, 68055424, 85069280, 136110848, 170138560, 340277120, 680554240]

約数ペア:

[(1, 680554240), (2, 340277120), (4, 170138560), (5, 136110848), (8, 85069280), (10, 68055424), (16, 42534640), (20, 34027712), (32, 21267320), (40, 17013856), (64, 10633660), (80, 8506928), (107, 6360320), (128, 5316830), (160, 4253464), (214, 3180160), (256, 2658415), (320, 2126732), (428, 1590080), (535, 1272064), (640, 1063366), (856, 795040), (1070, 636032), (1280, 531683), (1712, 397520), (2140, 318016), (3424, 198760), (4280, 159008), (4969, 136960), (6848, 99380), (8560, 79504), (9938, 68480), (13696, 49690), (17120, 39752), (19876, 34240), (24845, 27392)]