78537870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12647}}^1$

素因数の和:12686

約数の個数: 64

約数和(自身を含む): 218557440

約数和(自身を除く): 140019570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 12647, 25294, 37941, 63235, 75882, 113823, 126470, 189705, 227646, 290881, 341469, 379410, 569115, 581762, 682938, 872643, 1138230, 1454405, 1707345, 1745286, 2617929, 2908810, 3414690, 4363215, 5235858, 7853787, 8726430, 13089645, 15707574, 26179290, 39268935, 78537870]

約数ペア:

[(1, 78537870), (2, 39268935), (3, 26179290), (5, 15707574), (6, 13089645), (9, 8726430), (10, 7853787), (15, 5235858), (18, 4363215), (23, 3414690), (27, 2908810), (30, 2617929), (45, 1745286), (46, 1707345), (54, 1454405), (69, 1138230), (90, 872643), (115, 682938), (135, 581762), (138, 569115), (207, 379410), (230, 341469), (270, 290881), (345, 227646), (414, 189705), (621, 126470), (690, 113823), (1035, 75882), (1242, 63235), (2070, 37941), (3105, 25294), (6210, 12647)]