1231028720

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{46489}}^1$

素因数の和:46833

約数の個数: 40

約数和(自身を含む): 2870850480

約数和(自身を除く): 1639821760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 46489, 92978, 185956, 232445, 371912, 464890, 743824, 929780, 1859560, 3719120, 15387859, 30775718, 61551436, 76939295, 123102872, 153878590, 246205744, 307757180, 615514360, 1231028720]

約数ペア:

[(1, 1231028720), (2, 615514360), (4, 307757180), (5, 246205744), (8, 153878590), (10, 123102872), (16, 76939295), (20, 61551436), (40, 30775718), (80, 15387859), (331, 3719120), (662, 1859560), (1324, 929780), (1655, 743824), (2648, 464890), (3310, 371912), (5296, 232445), (6620, 185956), (13240, 92978), (26480, 46489)]