31987890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 92102400

約数和(自身を除く): 60114510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 79, 90, 99, 110, 158, 165, 198, 237, 330, 395, 409, 474, 495, 711, 790, 818, 869, 990, 1185, 1227, 1422, 1738, 2045, 2370, 2454, 2607, 3555, 3681, 4090, 4345, 4499, 5214, 6135, 7110, 7362, 7821, 8690, 8998, 12270, 13035, 13497, 15642, 18405, 22495, 26070, 26994, 32311, 36810, 39105, 40491, 44990, 64622, 67485, 78210, 80982, 96933, 134970, 161555, 193866, 202455, 290799, 323110, 355421, 404910, 484665, 581598, 710842, 969330, 1066263, 1453995, 1777105, 2132526, 2907990, 3198789, 3554210, 5331315, 6397578, 10662630, 15993945, 31987890]

約数ペア:

[(1, 31987890), (2, 15993945), (3, 10662630), (5, 6397578), (6, 5331315), (9, 3554210), (10, 3198789), (11, 2907990), (15, 2132526), (18, 1777105), (22, 1453995), (30, 1066263), (33, 969330), (45, 710842), (55, 581598), (66, 484665), (79, 404910), (90, 355421), (99, 323110), (110, 290799), (158, 202455), (165, 193866), (198, 161555), (237, 134970), (330, 96933), (395, 80982), (409, 78210), (474, 67485), (495, 64622), (711, 44990), (790, 40491), (818, 39105), (869, 36810), (990, 32311), (1185, 26994), (1227, 26070), (1422, 22495), (1738, 18405), (2045, 15642), (2370, 13497), (2454, 13035), (2607, 12270), (3555, 8998), (3681, 8690), (4090, 7821), (4345, 7362), (4499, 7110), (5214, 6135)]