12741660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 39233376

約数和(自身を除く): 26491716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 997, 1065, 1278, 1420, 1994, 2130, 2556, 2991, 3195, 3988, 4260, 4985, 5982, 6390, 8973, 9970, 11964, 12780, 14955, 17946, 19940, 29910, 35892, 44865, 59820, 70787, 89730, 141574, 179460, 212361, 283148, 353935, 424722, 637083, 707870, 849444, 1061805, 1274166, 1415740, 2123610, 2548332, 3185415, 4247220, 6370830, 12741660]

約数ペア:

[(1, 12741660), (2, 6370830), (3, 4247220), (4, 3185415), (5, 2548332), (6, 2123610), (9, 1415740), (10, 1274166), (12, 1061805), (15, 849444), (18, 707870), (20, 637083), (30, 424722), (36, 353935), (45, 283148), (60, 212361), (71, 179460), (90, 141574), (142, 89730), (180, 70787), (213, 59820), (284, 44865), (355, 35892), (426, 29910), (639, 19940), (710, 17946), (852, 14955), (997, 12780), (1065, 11964), (1278, 9970), (1420, 8973), (1994, 6390), (2130, 5982), (2556, 4985), (2991, 4260), (3195, 3988)]