78551440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3928

約数の個数: 80

約数和(自身を含む): 207950976

約数和(自身を除く): 129399536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3881, 4048, 5060, 7762, 10120, 15524, 19405, 20240, 31048, 38810, 42691, 62096, 77620, 85382, 89263, 155240, 170764, 178526, 213455, 310480, 341528, 357052, 426910, 446315, 683056, 714104, 853820, 892630, 981893, 1428208, 1707640, 1785260, 1963786, 3415280, 3570520, 3927572, 4909465, 7141040, 7855144, 9818930, 15710288, 19637860, 39275720, 78551440]

約数ペア:

[(1, 78551440), (2, 39275720), (4, 19637860), (5, 15710288), (8, 9818930), (10, 7855144), (11, 7141040), (16, 4909465), (20, 3927572), (22, 3570520), (23, 3415280), (40, 1963786), (44, 1785260), (46, 1707640), (55, 1428208), (80, 981893), (88, 892630), (92, 853820), (110, 714104), (115, 683056), (176, 446315), (184, 426910), (220, 357052), (230, 341528), (253, 310480), (368, 213455), (440, 178526), (460, 170764), (506, 155240), (880, 89263), (920, 85382), (1012, 77620), (1265, 62096), (1840, 42691), (2024, 38810), (2530, 31048), (3881, 20240), (4048, 19405), (5060, 15524), (7762, 10120)]