1293670480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19793}}^1$

素因数の和:19868

約数の個数: 80

約数和(自身を含む): 3239881920

約数和(自身を除く): 1946211440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 13072, 16340, 19793, 32680, 39586, 65360, 79172, 98965, 158344, 197930, 316688, 376067, 395860, 752134, 791720, 851099, 1504268, 1583440, 1702198, 1880335, 3008536, 3404396, 3760670, 4255495, 6017072, 6808792, 7521340, 8510990, 13617584, 15042680, 16170881, 17021980, 30085360, 32341762, 34043960, 64683524, 68087920, 80854405, 129367048, 161708810, 258734096, 323417620, 646835240, 1293670480]

約数ペア:

[(1, 1293670480), (2, 646835240), (4, 323417620), (5, 258734096), (8, 161708810), (10, 129367048), (16, 80854405), (19, 68087920), (20, 64683524), (38, 34043960), (40, 32341762), (43, 30085360), (76, 17021980), (80, 16170881), (86, 15042680), (95, 13617584), (152, 8510990), (172, 7521340), (190, 6808792), (215, 6017072), (304, 4255495), (344, 3760670), (380, 3404396), (430, 3008536), (688, 1880335), (760, 1702198), (817, 1583440), (860, 1504268), (1520, 851099), (1634, 791720), (1720, 752134), (3268, 395860), (3440, 376067), (4085, 316688), (6536, 197930), (8170, 158344), (13072, 98965), (16340, 79172), (19793, 65360), (32680, 39586)]