31008540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 91445760

約数和(自身を除く): 60437220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 71, 87, 116, 142, 145, 174, 213, 251, 284, 290, 348, 355, 426, 435, 502, 580, 710, 753, 852, 870, 1004, 1065, 1255, 1420, 1506, 1740, 2059, 2130, 2510, 3012, 3765, 4118, 4260, 5020, 6177, 7279, 7530, 8236, 10295, 12354, 14558, 15060, 17821, 20590, 21837, 24708, 29116, 30885, 35642, 36395, 41180, 43674, 53463, 61770, 71284, 72790, 87348, 89105, 106926, 109185, 123540, 145580, 178210, 213852, 218370, 267315, 356420, 436740, 516809, 534630, 1033618, 1069260, 1550427, 2067236, 2584045, 3100854, 5168090, 6201708, 7752135, 10336180, 15504270, 31008540]

約数ペア:

[(1, 31008540), (2, 15504270), (3, 10336180), (4, 7752135), (5, 6201708), (6, 5168090), (10, 3100854), (12, 2584045), (15, 2067236), (20, 1550427), (29, 1069260), (30, 1033618), (58, 534630), (60, 516809), (71, 436740), (87, 356420), (116, 267315), (142, 218370), (145, 213852), (174, 178210), (213, 145580), (251, 123540), (284, 109185), (290, 106926), (348, 89105), (355, 87348), (426, 72790), (435, 71284), (502, 61770), (580, 53463), (710, 43674), (753, 41180), (852, 36395), (870, 35642), (1004, 30885), (1065, 29116), (1255, 24708), (1420, 21837), (1506, 20590), (1740, 17821), (2059, 15060), (2130, 14558), (2510, 12354), (3012, 10295), (3765, 8236), (4118, 7530), (4260, 7279), (5020, 6177)]