30087480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1597}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 90894240

約数和(自身を除く): 60806760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1597, 1884, 2355, 3140, 3194, 3768, 4710, 4791, 6280, 6388, 7985, 9420, 9582, 12776, 15970, 18840, 19164, 23955, 31940, 38328, 47910, 63880, 95820, 191640, 250729, 501458, 752187, 1002916, 1253645, 1504374, 2005832, 2507290, 3008748, 3760935, 5014580, 6017496, 7521870, 10029160, 15043740, 30087480]

約数ペア:

[(1, 30087480), (2, 15043740), (3, 10029160), (4, 7521870), (5, 6017496), (6, 5014580), (8, 3760935), (10, 3008748), (12, 2507290), (15, 2005832), (20, 1504374), (24, 1253645), (30, 1002916), (40, 752187), (60, 501458), (120, 250729), (157, 191640), (314, 95820), (471, 63880), (628, 47910), (785, 38328), (942, 31940), (1256, 23955), (1570, 19164), (1597, 18840), (1884, 15970), (2355, 12776), (3140, 9582), (3194, 9420), (3768, 7985), (4710, 6388), (4791, 6280)]