31356160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 87417792

約数和(自身を除く): 56061632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 131, 136, 160, 170, 176, 187, 220, 256, 262, 272, 320, 340, 352, 374, 440, 524, 544, 640, 655, 680, 704, 748, 880, 935, 1048, 1088, 1280, 1310, 1360, 1408, 1441, 1496, 1760, 1870, 2096, 2176, 2227, 2620, 2720, 2816, 2882, 2992, 3520, 3740, 4192, 4352, 4454, 5240, 5440, 5764, 5984, 7040, 7205, 7480, 8384, 8908, 10480, 10880, 11135, 11528, 11968, 14080, 14410, 14960, 16768, 17816, 20960, 21760, 22270, 23056, 23936, 24497, 28820, 29920, 33536, 35632, 41920, 44540, 46112, 47872, 48994, 57640, 59840, 71264, 83840, 89080, 92224, 97988, 115280, 119680, 122485, 142528, 167680, 178160, 184448, 195976, 230560, 239360, 244970, 285056, 356320, 368896, 391952, 461120, 489940, 570112, 712640, 783904, 922240, 979880, 1425280, 1567808, 1844480, 1959760, 2850560, 3135616, 3919520, 6271232, 7839040, 15678080, 31356160]

約数ペア:

[(1, 31356160), (2, 15678080), (4, 7839040), (5, 6271232), (8, 3919520), (10, 3135616), (11, 2850560), (16, 1959760), (17, 1844480), (20, 1567808), (22, 1425280), (32, 979880), (34, 922240), (40, 783904), (44, 712640), (55, 570112), (64, 489940), (68, 461120), (80, 391952), (85, 368896), (88, 356320), (110, 285056), (128, 244970), (131, 239360), (136, 230560), (160, 195976), (170, 184448), (176, 178160), (187, 167680), (220, 142528), (256, 122485), (262, 119680), (272, 115280), (320, 97988), (340, 92224), (352, 89080), (374, 83840), (440, 71264), (524, 59840), (544, 57640), (640, 48994), (655, 47872), (680, 46112), (704, 44540), (748, 41920), (880, 35632), (935, 33536), (1048, 29920), (1088, 28820), (1280, 24497), (1310, 23936), (1360, 23056), (1408, 22270), (1441, 21760), (1496, 20960), (1760, 17816), (1870, 16768), (2096, 14960), (2176, 14410), (2227, 14080), (2620, 11968), (2720, 11528), (2816, 11135), (2882, 10880), (2992, 10480), (3520, 8908), (3740, 8384), (4192, 7480), (4352, 7205), (4454, 7040), (5240, 5984), (5440, 5764)]