1520803720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{4259}}^1$

素因数の和:4462

約数の個数: 64

約数和(自身を含む): 3496608000

約数和(自身を除く): 1975804280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 113, 158, 226, 316, 395, 452, 565, 632, 790, 904, 1130, 1580, 2260, 3160, 4259, 4520, 8518, 8927, 17036, 17854, 21295, 34072, 35708, 42590, 44635, 71416, 85180, 89270, 170360, 178540, 336461, 357080, 481267, 672922, 962534, 1345844, 1682305, 1925068, 2406335, 2691688, 3364610, 3850136, 4812670, 6729220, 9625340, 13458440, 19250680, 38020093, 76040186, 152080372, 190100465, 304160744, 380200930, 760401860, 1520803720]

約数ペア:

[(1, 1520803720), (2, 760401860), (4, 380200930), (5, 304160744), (8, 190100465), (10, 152080372), (20, 76040186), (40, 38020093), (79, 19250680), (113, 13458440), (158, 9625340), (226, 6729220), (316, 4812670), (395, 3850136), (452, 3364610), (565, 2691688), (632, 2406335), (790, 1925068), (904, 1682305), (1130, 1345844), (1580, 962534), (2260, 672922), (3160, 481267), (4259, 357080), (4520, 336461), (8518, 178540), (8927, 170360), (17036, 89270), (17854, 85180), (21295, 71416), (34072, 44635), (35708, 42590)]