72304020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401689}}^1$

素因数の和:401704

約数の個数: 36

約数和(自身を含む): 219322740

約数和(自身を除く): 147018720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401689, 803378, 1205067, 1606756, 2008445, 2410134, 3615201, 4016890, 4820268, 6025335, 7230402, 8033780, 12050670, 14460804, 18076005, 24101340, 36152010, 72304020]

約数ペア:

[(1, 72304020), (2, 36152010), (3, 24101340), (4, 18076005), (5, 14460804), (6, 12050670), (9, 8033780), (10, 7230402), (12, 6025335), (15, 4820268), (18, 4016890), (20, 3615201), (30, 2410134), (36, 2008445), (45, 1606756), (60, 1205067), (90, 803378), (180, 401689)]