31660128

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:748

約数の個数: 72

約数和(自身を含む): 90633816

約数和(自身を除く): 58973688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 422, 521, 633, 844, 1042, 1266, 1563, 1688, 1899, 2084, 2532, 3126, 3376, 3798, 4168, 4689, 5064, 6252, 6752, 7596, 8336, 9378, 10128, 12504, 15192, 16672, 18756, 20256, 25008, 30384, 37512, 50016, 60768, 75024, 109931, 150048, 219862, 329793, 439724, 659586, 879448, 989379, 1319172, 1758896, 1978758, 2638344, 3517792, 3957516, 5276688, 7915032, 10553376, 15830064, 31660128]

約数ペア:

[(1, 31660128), (2, 15830064), (3, 10553376), (4, 7915032), (6, 5276688), (8, 3957516), (9, 3517792), (12, 2638344), (16, 1978758), (18, 1758896), (24, 1319172), (32, 989379), (36, 879448), (48, 659586), (72, 439724), (96, 329793), (144, 219862), (211, 150048), (288, 109931), (422, 75024), (521, 60768), (633, 50016), (844, 37512), (1042, 30384), (1266, 25008), (1563, 20256), (1688, 18756), (1899, 16672), (2084, 15192), (2532, 12504), (3126, 10128), (3376, 9378), (3798, 8336), (4168, 7596), (4689, 6752), (5064, 6252)]