31029984

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 72

約数和(自身を含む): 88917192

約数和(自身を除く): 57887208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 661, 978, 1304, 1322, 1467, 1956, 1983, 2608, 2644, 2934, 3912, 3966, 5216, 5288, 5868, 5949, 7824, 7932, 10576, 11736, 11898, 15648, 15864, 21152, 23472, 23796, 31728, 46944, 47592, 63456, 95184, 107743, 190368, 215486, 323229, 430972, 646458, 861944, 969687, 1292916, 1723888, 1939374, 2585832, 3447776, 3878748, 5171664, 7757496, 10343328, 15514992, 31029984]

約数ペア:

[(1, 31029984), (2, 15514992), (3, 10343328), (4, 7757496), (6, 5171664), (8, 3878748), (9, 3447776), (12, 2585832), (16, 1939374), (18, 1723888), (24, 1292916), (32, 969687), (36, 861944), (48, 646458), (72, 430972), (96, 323229), (144, 215486), (163, 190368), (288, 107743), (326, 95184), (489, 63456), (652, 47592), (661, 46944), (978, 31728), (1304, 23796), (1322, 23472), (1467, 21152), (1956, 15864), (1983, 15648), (2608, 11898), (2644, 11736), (2934, 10576), (3912, 7932), (3966, 7824), (5216, 5949), (5288, 5868)]