40660740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 123865560

約数和(自身を除く): 83204820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 569, 794, 1138, 1191, 1588, 1707, 1985, 2276, 2382, 2845, 3414, 3573, 3970, 4764, 5121, 5690, 5955, 6828, 7146, 7940, 8535, 10242, 11380, 11910, 14292, 17070, 17865, 20484, 23820, 25605, 34140, 35730, 51210, 71460, 102420, 225893, 451786, 677679, 903572, 1129465, 1355358, 2033037, 2258930, 2710716, 3388395, 4066074, 4517860, 6776790, 8132148, 10165185, 13553580, 20330370, 40660740]

約数ペア:

[(1, 40660740), (2, 20330370), (3, 13553580), (4, 10165185), (5, 8132148), (6, 6776790), (9, 4517860), (10, 4066074), (12, 3388395), (15, 2710716), (18, 2258930), (20, 2033037), (30, 1355358), (36, 1129465), (45, 903572), (60, 677679), (90, 451786), (180, 225893), (397, 102420), (569, 71460), (794, 51210), (1138, 35730), (1191, 34140), (1588, 25605), (1707, 23820), (1985, 20484), (2276, 17865), (2382, 17070), (2845, 14292), (3414, 11910), (3573, 11380), (3970, 10242), (4764, 8535), (5121, 7940), (5690, 7146), (5955, 6828)]