15853880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 41791680

約数和(自身を除く): 25937800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1381, 1435, 1640, 2296, 2762, 2870, 5524, 5740, 6905, 9667, 11048, 11480, 13810, 19334, 27620, 38668, 48335, 55240, 56621, 77336, 96670, 113242, 193340, 226484, 283105, 386680, 396347, 452968, 566210, 792694, 1132420, 1585388, 1981735, 2264840, 3170776, 3963470, 7926940, 15853880]

約数ペア:

[(1, 15853880), (2, 7926940), (4, 3963470), (5, 3170776), (7, 2264840), (8, 1981735), (10, 1585388), (14, 1132420), (20, 792694), (28, 566210), (35, 452968), (40, 396347), (41, 386680), (56, 283105), (70, 226484), (82, 193340), (140, 113242), (164, 96670), (205, 77336), (280, 56621), (287, 55240), (328, 48335), (410, 38668), (574, 27620), (820, 19334), (1148, 13810), (1381, 11480), (1435, 11048), (1640, 9667), (2296, 6905), (2762, 5740), (2870, 5524)]