68380725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 137401920

約数和(自身を除く): 69021195

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 69, 75, 105, 115, 147, 161, 175, 245, 345, 483, 525, 575, 735, 805, 809, 1127, 1225, 1725, 2415, 2427, 3381, 3675, 4025, 4045, 5635, 5663, 12075, 12135, 16905, 16989, 18607, 20225, 28175, 28315, 39641, 55821, 60675, 84525, 84945, 93035, 118923, 130249, 141575, 198205, 279105, 390747, 424725, 465175, 594615, 651245, 911743, 991025, 1395525, 1953735, 2735229, 2973075, 3256225, 4558715, 9768675, 13676145, 22793575, 68380725]

約数ペア:

[(1, 68380725), (3, 22793575), (5, 13676145), (7, 9768675), (15, 4558715), (21, 3256225), (23, 2973075), (25, 2735229), (35, 1953735), (49, 1395525), (69, 991025), (75, 911743), (105, 651245), (115, 594615), (147, 465175), (161, 424725), (175, 390747), (245, 279105), (345, 198205), (483, 141575), (525, 130249), (575, 118923), (735, 93035), (805, 84945), (809, 84525), (1127, 60675), (1225, 55821), (1725, 39641), (2415, 28315), (2427, 28175), (3381, 20225), (3675, 18607), (4025, 16989), (4045, 16905), (5635, 12135), (5663, 12075)]