172949360

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 411640320

約数和(自身を除く): 238690960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 139, 151, 206, 278, 302, 412, 515, 556, 604, 695, 755, 824, 1030, 1112, 1208, 1390, 1510, 1648, 2060, 2224, 2416, 2780, 3020, 4120, 5560, 6040, 8240, 11120, 12080, 14317, 15553, 20989, 28634, 31106, 41978, 57268, 62212, 71585, 77765, 83956, 104945, 114536, 124424, 143170, 155530, 167912, 209890, 229072, 248848, 286340, 311060, 335824, 419780, 572680, 622120, 839560, 1145360, 1244240, 1679120, 2161867, 4323734, 8647468, 10809335, 17294936, 21618670, 34589872, 43237340, 86474680, 172949360]

約数ペア:

[(1, 172949360), (2, 86474680), (4, 43237340), (5, 34589872), (8, 21618670), (10, 17294936), (16, 10809335), (20, 8647468), (40, 4323734), (80, 2161867), (103, 1679120), (139, 1244240), (151, 1145360), (206, 839560), (278, 622120), (302, 572680), (412, 419780), (515, 335824), (556, 311060), (604, 286340), (695, 248848), (755, 229072), (824, 209890), (1030, 167912), (1112, 155530), (1208, 143170), (1390, 124424), (1510, 114536), (1648, 104945), (2060, 83956), (2224, 77765), (2416, 71585), (2780, 62212), (3020, 57268), (4120, 41978), (5560, 31106), (6040, 28634), (8240, 20989), (11120, 15553), (12080, 14317)]