15678080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 43623360

約数和(自身を除く): 27945280

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, 262, 272, 320, 340, 352, 374, 440, 524, 544, 640, 655, 680, 704, 748, 880, 935, 1048, 1088, 1310, 1360, 1408, 1441, 1496, 1760, 1870, 2096, 2176, 2227, 2620, 2720, 2882, 2992, 3520, 3740, 4192, 4454, 5240, 5440, 5764, 5984, 7040, 7205, 7480, 8384, 8908, 10480, 10880, 11135, 11528, 11968, 14410, 14960, 16768, 17816, 20960, 22270, 23056, 23936, 24497, 28820, 29920, 35632, 41920, 44540, 46112, 48994, 57640, 59840, 71264, 83840, 89080, 92224, 97988, 115280, 119680, 122485, 142528, 178160, 184448, 195976, 230560, 244970, 285056, 356320, 391952, 461120, 489940, 712640, 783904, 922240, 979880, 1425280, 1567808, 1959760, 3135616, 3919520, 7839040, 15678080]

約数ペア:

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