15281840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 42050880

約数和(自身を除く): 26769040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 941, 1015, 1160, 1624, 1882, 2030, 2320, 3248, 3764, 4060, 4705, 6587, 7528, 8120, 9410, 13174, 15056, 16240, 18820, 26348, 27289, 32935, 37640, 52696, 54578, 65870, 75280, 105392, 109156, 131740, 136445, 191023, 218312, 263480, 272890, 382046, 436624, 526960, 545780, 764092, 955115, 1091560, 1528184, 1910230, 2183120, 3056368, 3820460, 7640920, 15281840]

約数ペア:

[(1, 15281840), (2, 7640920), (4, 3820460), (5, 3056368), (7, 2183120), (8, 1910230), (10, 1528184), (14, 1091560), (16, 955115), (20, 764092), (28, 545780), (29, 526960), (35, 436624), (40, 382046), (56, 272890), (58, 263480), (70, 218312), (80, 191023), (112, 136445), (116, 131740), (140, 109156), (145, 105392), (203, 75280), (232, 65870), (280, 54578), (290, 52696), (406, 37640), (464, 32935), (560, 27289), (580, 26348), (812, 18820), (941, 16240), (1015, 15056), (1160, 13174), (1624, 9410), (1882, 8120), (2030, 7528), (2320, 6587), (3248, 4705), (3764, 4060)]