81715530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1097}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 212502528

約数和(自身を除く): 130786998

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 191, 195, 382, 390, 573, 955, 1097, 1146, 1910, 2194, 2483, 2865, 3291, 4966, 5485, 5730, 6582, 7449, 10970, 12415, 14261, 14898, 16455, 24830, 28522, 32910, 37245, 42783, 71305, 74490, 85566, 142610, 209527, 213915, 419054, 427830, 628581, 1047635, 1257162, 2095270, 2723851, 3142905, 5447702, 6285810, 8171553, 13619255, 16343106, 27238510, 40857765, 81715530]

約数ペア:

[(1, 81715530), (2, 40857765), (3, 27238510), (5, 16343106), (6, 13619255), (10, 8171553), (13, 6285810), (15, 5447702), (26, 3142905), (30, 2723851), (39, 2095270), (65, 1257162), (78, 1047635), (130, 628581), (191, 427830), (195, 419054), (382, 213915), (390, 209527), (573, 142610), (955, 85566), (1097, 74490), (1146, 71305), (1910, 42783), (2194, 37245), (2483, 32910), (2865, 28522), (3291, 24830), (4966, 16455), (5485, 14898), (5730, 14261), (6582, 12415), (7449, 10970)]