31853220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 102816000

約数和(自身を除く): 70962780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 509, 596, 745, 894, 1018, 1043, 1490, 1527, 1788, 2036, 2086, 2235, 2545, 2980, 3054, 3129, 3563, 4172, 4470, 5090, 5215, 6108, 6258, 7126, 7635, 8940, 10180, 10430, 10689, 12516, 14252, 15270, 15645, 17815, 20860, 21378, 30540, 31290, 35630, 42756, 53445, 62580, 71260, 75841, 106890, 151682, 213780, 227523, 303364, 379205, 455046, 530887, 758410, 910092, 1061774, 1137615, 1516820, 1592661, 2123548, 2275230, 2654435, 3185322, 4550460, 5308870, 6370644, 7963305, 10617740, 15926610, 31853220]

約数ペア:

[(1, 31853220), (2, 15926610), (3, 10617740), (4, 7963305), (5, 6370644), (6, 5308870), (7, 4550460), (10, 3185322), (12, 2654435), (14, 2275230), (15, 2123548), (20, 1592661), (21, 1516820), (28, 1137615), (30, 1061774), (35, 910092), (42, 758410), (60, 530887), (70, 455046), (84, 379205), (105, 303364), (140, 227523), (149, 213780), (210, 151682), (298, 106890), (420, 75841), (447, 71260), (509, 62580), (596, 53445), (745, 42756), (894, 35630), (1018, 31290), (1043, 30540), (1490, 21378), (1527, 20860), (1788, 17815), (2036, 15645), (2086, 15270), (2235, 14252), (2545, 12516), (2980, 10689), (3054, 10430), (3129, 10180), (3563, 8940), (4172, 7635), (4470, 7126), (5090, 6258), (5215, 6108)]