15983440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 41622336

約数和(自身を除く): 25638896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 443, 451, 656, 820, 880, 886, 902, 1640, 1772, 1804, 2215, 2255, 3280, 3544, 3608, 4430, 4510, 4873, 7088, 7216, 8860, 9020, 9746, 17720, 18040, 18163, 19492, 24365, 35440, 36080, 36326, 38984, 48730, 72652, 77968, 90815, 97460, 145304, 181630, 194920, 199793, 290608, 363260, 389840, 399586, 726520, 799172, 998965, 1453040, 1598344, 1997930, 3196688, 3995860, 7991720, 15983440]

約数ペア:

[(1, 15983440), (2, 7991720), (4, 3995860), (5, 3196688), (8, 1997930), (10, 1598344), (11, 1453040), (16, 998965), (20, 799172), (22, 726520), (40, 399586), (41, 389840), (44, 363260), (55, 290608), (80, 199793), (82, 194920), (88, 181630), (110, 145304), (164, 97460), (176, 90815), (205, 77968), (220, 72652), (328, 48730), (410, 38984), (440, 36326), (443, 36080), (451, 35440), (656, 24365), (820, 19492), (880, 18163), (886, 18040), (902, 17720), (1640, 9746), (1772, 9020), (1804, 8860), (2215, 7216), (2255, 7088), (3280, 4873), (3544, 4510), (3608, 4430)]