31841160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20411}}^1$

素因数の和:20438

約数の個数: 64

約数和(自身を含む): 102876480

約数和(自身を除く): 71035320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20411, 40822, 61233, 81644, 102055, 122466, 163288, 204110, 244932, 265343, 306165, 408220, 489864, 530686, 612330, 796029, 816440, 1061372, 1224660, 1326715, 1592058, 2122744, 2449320, 2653430, 3184116, 3980145, 5306860, 6368232, 7960290, 10613720, 15920580, 31841160]

約数ペア:

[(1, 31841160), (2, 15920580), (3, 10613720), (4, 7960290), (5, 6368232), (6, 5306860), (8, 3980145), (10, 3184116), (12, 2653430), (13, 2449320), (15, 2122744), (20, 1592058), (24, 1326715), (26, 1224660), (30, 1061372), (39, 816440), (40, 796029), (52, 612330), (60, 530686), (65, 489864), (78, 408220), (104, 306165), (120, 265343), (130, 244932), (156, 204110), (195, 163288), (260, 122466), (312, 102055), (390, 81644), (520, 61233), (780, 40822), (1560, 20411)]