2790139280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47711}}^1$

素因数の和:47784

約数の個数: 80

約数和(自身を含む): 7028550144

約数和(自身を除く): 4238410864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3440, 3655, 5848, 7310, 11696, 14620, 29240, 47711, 58480, 95422, 190844, 238555, 381688, 477110, 763376, 811087, 954220, 1622174, 1908440, 2051573, 3244348, 3816880, 4055435, 4103146, 6488696, 8110870, 8206292, 10257865, 12977392, 16221740, 16412584, 20515730, 32443480, 32825168, 34876741, 41031460, 64886960, 69753482, 82062920, 139506964, 164125840, 174383705, 279013928, 348767410, 558027856, 697534820, 1395069640, 2790139280]

約数ペア:

[(1, 2790139280), (2, 1395069640), (4, 697534820), (5, 558027856), (8, 348767410), (10, 279013928), (16, 174383705), (17, 164125840), (20, 139506964), (34, 82062920), (40, 69753482), (43, 64886960), (68, 41031460), (80, 34876741), (85, 32825168), (86, 32443480), (136, 20515730), (170, 16412584), (172, 16221740), (215, 12977392), (272, 10257865), (340, 8206292), (344, 8110870), (430, 6488696), (680, 4103146), (688, 4055435), (731, 3816880), (860, 3244348), (1360, 2051573), (1462, 1908440), (1720, 1622174), (2924, 954220), (3440, 811087), (3655, 763376), (5848, 477110), (7310, 381688), (11696, 238555), (14620, 190844), (29240, 95422), (47711, 58480)]