71902480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 183988224

約数和(自身を除く): 112085744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1471, 1880, 2444, 2942, 3055, 3760, 4888, 5884, 6110, 7355, 9776, 11768, 12220, 14710, 19123, 23536, 24440, 29420, 38246, 48880, 58840, 69137, 76492, 95615, 117680, 138274, 152984, 191230, 276548, 305968, 345685, 382460, 553096, 691370, 764920, 898781, 1106192, 1382740, 1529840, 1797562, 2765480, 3595124, 4493905, 5530960, 7190248, 8987810, 14380496, 17975620, 35951240, 71902480]

約数ペア:

[(1, 71902480), (2, 35951240), (4, 17975620), (5, 14380496), (8, 8987810), (10, 7190248), (13, 5530960), (16, 4493905), (20, 3595124), (26, 2765480), (40, 1797562), (47, 1529840), (52, 1382740), (65, 1106192), (80, 898781), (94, 764920), (104, 691370), (130, 553096), (188, 382460), (208, 345685), (235, 305968), (260, 276548), (376, 191230), (470, 152984), (520, 138274), (611, 117680), (752, 95615), (940, 76492), (1040, 69137), (1222, 58840), (1471, 48880), (1880, 38246), (2444, 29420), (2942, 24440), (3055, 23536), (3760, 19123), (4888, 14710), (5884, 12220), (6110, 11768), (7355, 9776)]