31008560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 79494912

約数和(自身を除く): 48486352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 167, 176, 211, 220, 334, 422, 440, 668, 835, 844, 880, 1055, 1336, 1670, 1688, 1837, 2110, 2321, 2672, 3340, 3376, 3674, 4220, 4642, 6680, 7348, 8440, 9185, 9284, 11605, 13360, 14696, 16880, 18370, 18568, 23210, 29392, 35237, 36740, 37136, 46420, 70474, 73480, 92840, 140948, 146960, 176185, 185680, 281896, 352370, 387607, 563792, 704740, 775214, 1409480, 1550428, 1938035, 2818960, 3100856, 3876070, 6201712, 7752140, 15504280, 31008560]

約数ペア:

[(1, 31008560), (2, 15504280), (4, 7752140), (5, 6201712), (8, 3876070), (10, 3100856), (11, 2818960), (16, 1938035), (20, 1550428), (22, 1409480), (40, 775214), (44, 704740), (55, 563792), (80, 387607), (88, 352370), (110, 281896), (167, 185680), (176, 176185), (211, 146960), (220, 140948), (334, 92840), (422, 73480), (440, 70474), (668, 46420), (835, 37136), (844, 36740), (880, 35237), (1055, 29392), (1336, 23210), (1670, 18568), (1688, 18370), (1837, 16880), (2110, 14696), (2321, 13360), (2672, 11605), (3340, 9284), (3376, 9185), (3674, 8440), (4220, 7348), (4642, 6680)]