309616840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19207}}^1$

素因数の和:19262

約数の個数: 64

約数和(自身を含む): 774466560

約数和(自身を除く): 464849720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 19207, 38414, 76828, 96035, 153656, 192070, 249691, 384140, 499382, 595417, 768280, 998764, 1190834, 1248455, 1997528, 2381668, 2496910, 2977085, 4763336, 4993820, 5954170, 7740421, 9987640, 11908340, 15480842, 23816680, 30961684, 38702105, 61923368, 77404210, 154808420, 309616840]

約数ペア:

[(1, 309616840), (2, 154808420), (4, 77404210), (5, 61923368), (8, 38702105), (10, 30961684), (13, 23816680), (20, 15480842), (26, 11908340), (31, 9987640), (40, 7740421), (52, 5954170), (62, 4993820), (65, 4763336), (104, 2977085), (124, 2496910), (130, 2381668), (155, 1997528), (248, 1248455), (260, 1190834), (310, 998764), (403, 768280), (520, 595417), (620, 499382), (806, 384140), (1240, 249691), (1612, 192070), (2015, 153656), (3224, 96035), (4030, 76828), (8060, 38414), (16120, 19207)]