1865240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 4808160

約数和(自身を除く): 2942920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 211, 221, 260, 340, 422, 442, 520, 680, 844, 884, 1055, 1105, 1688, 1768, 2110, 2210, 2743, 3587, 4220, 4420, 5486, 7174, 8440, 8840, 10972, 13715, 14348, 17935, 21944, 27430, 28696, 35870, 46631, 54860, 71740, 93262, 109720, 143480, 186524, 233155, 373048, 466310, 932620, 1865240]

約数ペア:

[(1, 1865240), (2, 932620), (4, 466310), (5, 373048), (8, 233155), (10, 186524), (13, 143480), (17, 109720), (20, 93262), (26, 71740), (34, 54860), (40, 46631), (52, 35870), (65, 28696), (68, 27430), (85, 21944), (104, 17935), (130, 14348), (136, 13715), (170, 10972), (211, 8840), (221, 8440), (260, 7174), (340, 5486), (422, 4420), (442, 4220), (520, 3587), (680, 2743), (844, 2210), (884, 2110), (1055, 1768), (1105, 1688)]