81445770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43093}}^1$

素因数の和:43116

約数の個数: 64

約数和(自身を含む): 248221440

約数和(自身を除く): 166775670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 43093, 86186, 129279, 215465, 258558, 301651, 387837, 430930, 603302, 646395, 775674, 904953, 1163511, 1292790, 1508255, 1809906, 1939185, 2327022, 2714859, 3016510, 3878370, 4524765, 5429718, 5817555, 8144577, 9049530, 11635110, 13574295, 16289154, 27148590, 40722885, 81445770]

約数ペア:

[(1, 81445770), (2, 40722885), (3, 27148590), (5, 16289154), (6, 13574295), (7, 11635110), (9, 9049530), (10, 8144577), (14, 5817555), (15, 5429718), (18, 4524765), (21, 3878370), (27, 3016510), (30, 2714859), (35, 2327022), (42, 1939185), (45, 1809906), (54, 1508255), (63, 1292790), (70, 1163511), (90, 904953), (105, 775674), (126, 646395), (135, 603302), (189, 430930), (210, 387837), (270, 301651), (315, 258558), (378, 215465), (630, 129279), (945, 86186), (1890, 43093)]