40508460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 123439680

約数和(自身を除く): 82931220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 719, 939, 1252, 1438, 1565, 1878, 2157, 2817, 2876, 3130, 3595, 3756, 4314, 4695, 5634, 6260, 6471, 7190, 8628, 9390, 10785, 11268, 12942, 14085, 14380, 18780, 21570, 25884, 28170, 32355, 43140, 56340, 64710, 129420, 225047, 450094, 675141, 900188, 1125235, 1350282, 2025423, 2250470, 2700564, 3375705, 4050846, 4500940, 6751410, 8101692, 10127115, 13502820, 20254230, 40508460]

約数ペア:

[(1, 40508460), (2, 20254230), (3, 13502820), (4, 10127115), (5, 8101692), (6, 6751410), (9, 4500940), (10, 4050846), (12, 3375705), (15, 2700564), (18, 2250470), (20, 2025423), (30, 1350282), (36, 1125235), (45, 900188), (60, 675141), (90, 450094), (180, 225047), (313, 129420), (626, 64710), (719, 56340), (939, 43140), (1252, 32355), (1438, 28170), (1565, 25884), (1878, 21570), (2157, 18780), (2817, 14380), (2876, 14085), (3130, 12942), (3595, 11268), (3756, 10785), (4314, 9390), (4695, 8628), (5634, 7190), (6260, 6471)]