72638340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1210639}}^1$

素因数の和:1210651

約数の個数: 24

約数和(自身を含む): 203387520

約数和(自身を除く): 130749180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1210639, 2421278, 3631917, 4842556, 6053195, 7263834, 12106390, 14527668, 18159585, 24212780, 36319170, 72638340]

約数ペア:

[(1, 72638340), (2, 36319170), (3, 24212780), (4, 18159585), (5, 14527668), (6, 12106390), (10, 7263834), (12, 6053195), (15, 4842556), (20, 3631917), (30, 2421278), (60, 1210639)]