42720154240

素因数分解:

$2^7\times 5^1\times {\mathrm{311}}^1\times {\mathrm{214631}}^1$

素因数の和:214961

約数の個数: 64

約数和(自身を含む): 102456731520

約数和(自身を除く): 59736577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 622, 640, 1244, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 19904, 24880, 39808, 49760, 99520, 199040, 214631, 429262, 858524, 1073155, 1717048, 2146310, 3434096, 4292620, 6868192, 8585240, 13736384, 17170480, 27472768, 34340960, 66750241, 68681920, 133500482, 137363840, 267000964, 333751205, 534001928, 667502410, 1068003856, 1335004820, 2136007712, 2670009640, 4272015424, 5340019280, 8544030848, 10680038560, 21360077120, 42720154240]

約数ペア:

[(1, 42720154240), (2, 21360077120), (4, 10680038560), (5, 8544030848), (8, 5340019280), (10, 4272015424), (16, 2670009640), (20, 2136007712), (32, 1335004820), (40, 1068003856), (64, 667502410), (80, 534001928), (128, 333751205), (160, 267000964), (311, 137363840), (320, 133500482), (622, 68681920), (640, 66750241), (1244, 34340960), (1555, 27472768), (2488, 17170480), (3110, 13736384), (4976, 8585240), (6220, 6868192), (9952, 4292620), (12440, 3434096), (19904, 2146310), (24880, 1717048), (39808, 1073155), (49760, 858524), (99520, 429262), (199040, 214631)]