15975040

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 38709000

約数和(自身を除く): 22733960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 229, 320, 436, 458, 545, 640, 872, 916, 1090, 1145, 1744, 1832, 2180, 2290, 3488, 3664, 4360, 4580, 6976, 7328, 8720, 9160, 13952, 14656, 17440, 18320, 24961, 29312, 34880, 36640, 49922, 69760, 73280, 99844, 124805, 146560, 199688, 249610, 399376, 499220, 798752, 998440, 1597504, 1996880, 3195008, 3993760, 7987520, 15975040]

約数ペア:

[(1, 15975040), (2, 7987520), (4, 3993760), (5, 3195008), (8, 1996880), (10, 1597504), (16, 998440), (20, 798752), (32, 499220), (40, 399376), (64, 249610), (80, 199688), (109, 146560), (128, 124805), (160, 99844), (218, 73280), (229, 69760), (320, 49922), (436, 36640), (458, 34880), (545, 29312), (640, 24961), (872, 18320), (916, 17440), (1090, 14656), (1145, 13952), (1744, 9160), (1832, 8720), (2180, 7328), (2290, 6976), (3488, 4580), (3664, 4360)]