72385120

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1567

約数の個数: 48

約数和(自身を含む): 171596880

約数和(自身を除く): 99211760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1163, 1556, 1945, 2326, 3112, 3890, 4652, 5815, 6224, 7780, 9304, 11630, 12448, 15560, 18608, 23260, 31120, 37216, 46520, 62240, 93040, 186080, 452407, 904814, 1809628, 2262035, 3619256, 4524070, 7238512, 9048140, 14477024, 18096280, 36192560, 72385120]

約数ペア:

[(1, 72385120), (2, 36192560), (4, 18096280), (5, 14477024), (8, 9048140), (10, 7238512), (16, 4524070), (20, 3619256), (32, 2262035), (40, 1809628), (80, 904814), (160, 452407), (389, 186080), (778, 93040), (1163, 62240), (1556, 46520), (1945, 37216), (2326, 31120), (3112, 23260), (3890, 18608), (4652, 15560), (5815, 12448), (6224, 11630), (7780, 9304)]