157219480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4523}}^1$

素因数の和:4624

約数の個数: 64

約数和(自身を含む): 390873600

約数和(自身を除く): 233654120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4345, 4523, 6952, 8690, 9046, 17380, 18092, 22615, 34760, 36184, 45230, 49753, 90460, 99506, 180920, 199012, 248765, 357317, 398024, 497530, 714634, 995060, 1429268, 1786585, 1990120, 2858536, 3573170, 3930487, 7146340, 7860974, 14292680, 15721948, 19652435, 31443896, 39304870, 78609740, 157219480]

約数ペア:

[(1, 157219480), (2, 78609740), (4, 39304870), (5, 31443896), (8, 19652435), (10, 15721948), (11, 14292680), (20, 7860974), (22, 7146340), (40, 3930487), (44, 3573170), (55, 2858536), (79, 1990120), (88, 1786585), (110, 1429268), (158, 995060), (220, 714634), (316, 497530), (395, 398024), (440, 357317), (632, 248765), (790, 199012), (869, 180920), (1580, 99506), (1738, 90460), (3160, 49753), (3476, 45230), (4345, 36184), (4523, 34760), (6952, 22615), (8690, 18092), (9046, 17380)]