12997958960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{11909}}^1$

素因数の和:13878

約数の個数: 80

約数和(自身を含む): 34558056000

約数和(自身を除く): 21560097040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1949, 3898, 7796, 9745, 11909, 13643, 15592, 19490, 23818, 27286, 31184, 38980, 47636, 54572, 59545, 68215, 77960, 83363, 95272, 109144, 119090, 136430, 155920, 166726, 190544, 218288, 238180, 272860, 333452, 416815, 476360, 545720, 666904, 833630, 952720, 1091440, 1333808, 1667260, 3334520, 6669040, 23210641, 46421282, 92842564, 116053205, 162474487, 185685128, 232106410, 324948974, 371370256, 464212820, 649897948, 812372435, 928425640, 1299795896, 1624744870, 1856851280, 2599591792, 3249489740, 6498979480, 12997958960]

約数ペア:

[(1, 12997958960), (2, 6498979480), (4, 3249489740), (5, 2599591792), (7, 1856851280), (8, 1624744870), (10, 1299795896), (14, 928425640), (16, 812372435), (20, 649897948), (28, 464212820), (35, 371370256), (40, 324948974), (56, 232106410), (70, 185685128), (80, 162474487), (112, 116053205), (140, 92842564), (280, 46421282), (560, 23210641), (1949, 6669040), (3898, 3334520), (7796, 1667260), (9745, 1333808), (11909, 1091440), (13643, 952720), (15592, 833630), (19490, 666904), (23818, 545720), (27286, 476360), (31184, 416815), (38980, 333452), (47636, 272860), (54572, 238180), (59545, 218288), (68215, 190544), (77960, 166726), (83363, 155920), (95272, 136430), (109144, 119090)]