15746220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12497}}^1$

素因数の和:12519

約数の個数: 72

約数和(自身を含む): 54591264

約数和(自身を除く): 38845044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12497, 24994, 37491, 49988, 62485, 74982, 87479, 112473, 124970, 149964, 174958, 187455, 224946, 249940, 262437, 349916, 374910, 437395, 449892, 524874, 562365, 749820, 787311, 874790, 1049748, 1124730, 1312185, 1574622, 1749580, 2249460, 2624370, 3149244, 3936555, 5248740, 7873110, 15746220]

約数ペア:

[(1, 15746220), (2, 7873110), (3, 5248740), (4, 3936555), (5, 3149244), (6, 2624370), (7, 2249460), (9, 1749580), (10, 1574622), (12, 1312185), (14, 1124730), (15, 1049748), (18, 874790), (20, 787311), (21, 749820), (28, 562365), (30, 524874), (35, 449892), (36, 437395), (42, 374910), (45, 349916), (60, 262437), (63, 249940), (70, 224946), (84, 187455), (90, 174958), (105, 149964), (126, 124970), (140, 112473), (180, 87479), (210, 74982), (252, 62485), (315, 49988), (420, 37491), (630, 24994), (1260, 12497)]