128393940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69029}}^1$

素因数の和:69072

約数の個数: 48

約数和(自身を含む): 371105280

約数和(自身を除く): 242711340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 69029, 138058, 207087, 276116, 345145, 414174, 690290, 828348, 1035435, 1380580, 2070870, 2139899, 4141740, 4279798, 6419697, 8559596, 10699495, 12839394, 21398990, 25678788, 32098485, 42797980, 64196970, 128393940]

約数ペア:

[(1, 128393940), (2, 64196970), (3, 42797980), (4, 32098485), (5, 25678788), (6, 21398990), (10, 12839394), (12, 10699495), (15, 8559596), (20, 6419697), (30, 4279798), (31, 4141740), (60, 2139899), (62, 2070870), (93, 1380580), (124, 1035435), (155, 828348), (186, 690290), (310, 414174), (372, 345145), (465, 276116), (620, 207087), (930, 138058), (1860, 69029)]