15693986920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{80747}}^1$

素因数の和:80914

約数の個数: 64

約数和(自身を含む): 36452877120

約数和(自身を除く): 20758890200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 860, 904, 1130, 1720, 2260, 4520, 4859, 9718, 19436, 24295, 38872, 48590, 80747, 97180, 161494, 194360, 322988, 403735, 645976, 807470, 1614940, 3229880, 3472121, 6944242, 9124411, 13888484, 17360605, 18248822, 27776968, 34721210, 36497644, 45622055, 69442420, 72995288, 91244110, 138884840, 182488220, 364976440, 392349673, 784699346, 1569398692, 1961748365, 3138797384, 3923496730, 7846993460, 15693986920]

約数ペア:

[(1, 15693986920), (2, 7846993460), (4, 3923496730), (5, 3138797384), (8, 1961748365), (10, 1569398692), (20, 784699346), (40, 392349673), (43, 364976440), (86, 182488220), (113, 138884840), (172, 91244110), (215, 72995288), (226, 69442420), (344, 45622055), (430, 36497644), (452, 34721210), (565, 27776968), (860, 18248822), (904, 17360605), (1130, 13888484), (1720, 9124411), (2260, 6944242), (4520, 3472121), (4859, 3229880), (9718, 1614940), (19436, 807470), (24295, 645976), (38872, 403735), (48590, 322988), (80747, 194360), (97180, 161494)]