56815380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 172972800

約数和(自身を除く): 116157420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 719, 878, 1317, 1438, 1756, 2157, 2195, 2634, 2876, 3595, 3951, 4314, 4390, 5268, 6471, 6585, 7190, 7902, 8628, 8780, 10785, 12942, 13170, 14380, 15804, 19755, 21570, 25884, 26340, 32355, 39510, 43140, 64710, 79020, 129420, 315641, 631282, 946923, 1262564, 1578205, 1893846, 2840769, 3156410, 3787692, 4734615, 5681538, 6312820, 9469230, 11363076, 14203845, 18938460, 28407690, 56815380]

約数ペア:

[(1, 56815380), (2, 28407690), (3, 18938460), (4, 14203845), (5, 11363076), (6, 9469230), (9, 6312820), (10, 5681538), (12, 4734615), (15, 3787692), (18, 3156410), (20, 2840769), (30, 1893846), (36, 1578205), (45, 1262564), (60, 946923), (90, 631282), (180, 315641), (439, 129420), (719, 79020), (878, 64710), (1317, 43140), (1438, 39510), (1756, 32355), (2157, 26340), (2195, 25884), (2634, 21570), (2876, 19755), (3595, 15804), (3951, 14380), (4314, 13170), (4390, 12942), (5268, 10785), (6471, 8780), (6585, 8628), (7190, 7902)]