72407560

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2953}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 163238040

約数和(自身を除く): 90830480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2953, 3065, 4904, 5906, 6130, 11812, 12260, 14765, 23624, 24520, 29530, 59060, 118120, 1810189, 3620378, 7240756, 9050945, 14481512, 18101890, 36203780, 72407560]

約数ペア:

[(1, 72407560), (2, 36203780), (4, 18101890), (5, 14481512), (8, 9050945), (10, 7240756), (20, 3620378), (40, 1810189), (613, 118120), (1226, 59060), (2452, 29530), (2953, 24520), (3065, 23624), (4904, 14765), (5906, 12260), (6130, 11812)]