78075920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2029}}^1$

素因数の和:2092

約数の個数: 80

約数和(自身を含む): 200872560

約数和(自身を除く): 122796640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2029, 2405, 2960, 3848, 4058, 4810, 7696, 8116, 9620, 10145, 16232, 19240, 20290, 26377, 32464, 38480, 40580, 52754, 75073, 81160, 105508, 131885, 150146, 162320, 211016, 263770, 300292, 375365, 422032, 527540, 600584, 750730, 975949, 1055080, 1201168, 1501460, 1951898, 2110160, 3002920, 3903796, 4879745, 6005840, 7807592, 9759490, 15615184, 19518980, 39037960, 78075920]

約数ペア:

[(1, 78075920), (2, 39037960), (4, 19518980), (5, 15615184), (8, 9759490), (10, 7807592), (13, 6005840), (16, 4879745), (20, 3903796), (26, 3002920), (37, 2110160), (40, 1951898), (52, 1501460), (65, 1201168), (74, 1055080), (80, 975949), (104, 750730), (130, 600584), (148, 527540), (185, 422032), (208, 375365), (260, 300292), (296, 263770), (370, 211016), (481, 162320), (520, 150146), (592, 131885), (740, 105508), (962, 81160), (1040, 75073), (1480, 52754), (1924, 40580), (2029, 38480), (2405, 32464), (2960, 26377), (3848, 20290), (4058, 19240), (4810, 16232), (7696, 10145), (8116, 9620)]