31394080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 81648000

約数和(自身を除く): 50253920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 449, 460, 608, 736, 760, 874, 898, 920, 1520, 1748, 1796, 1840, 2185, 2245, 3040, 3496, 3592, 3680, 4370, 4490, 6992, 7184, 8531, 8740, 8980, 10327, 13984, 14368, 17062, 17480, 17960, 20654, 34124, 34960, 35920, 41308, 42655, 51635, 68248, 69920, 71840, 82616, 85310, 103270, 136496, 165232, 170620, 196213, 206540, 272992, 330464, 341240, 392426, 413080, 682480, 784852, 826160, 981065, 1364960, 1569704, 1652320, 1962130, 3139408, 3924260, 6278816, 7848520, 15697040, 31394080]

約数ペア:

[(1, 31394080), (2, 15697040), (4, 7848520), (5, 6278816), (8, 3924260), (10, 3139408), (16, 1962130), (19, 1652320), (20, 1569704), (23, 1364960), (32, 981065), (38, 826160), (40, 784852), (46, 682480), (76, 413080), (80, 392426), (92, 341240), (95, 330464), (115, 272992), (152, 206540), (160, 196213), (184, 170620), (190, 165232), (230, 136496), (304, 103270), (368, 85310), (380, 82616), (437, 71840), (449, 69920), (460, 68248), (608, 51635), (736, 42655), (760, 41308), (874, 35920), (898, 34960), (920, 34124), (1520, 20654), (1748, 17960), (1796, 17480), (1840, 17062), (2185, 14368), (2245, 13984), (3040, 10327), (3496, 8980), (3592, 8740), (3680, 8531), (4370, 7184), (4490, 6992)]