31099120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 82494720

約数和(自身を除く): 51395600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1759, 1768, 2210, 3518, 3536, 4420, 7036, 8795, 8840, 14072, 17590, 17680, 22867, 28144, 29903, 35180, 45734, 59806, 70360, 91468, 114335, 119612, 140720, 149515, 182936, 228670, 239224, 299030, 365872, 388739, 457340, 478448, 598060, 777478, 914680, 1196120, 1554956, 1829360, 1943695, 2392240, 3109912, 3887390, 6219824, 7774780, 15549560, 31099120]

約数ペア:

[(1, 31099120), (2, 15549560), (4, 7774780), (5, 6219824), (8, 3887390), (10, 3109912), (13, 2392240), (16, 1943695), (17, 1829360), (20, 1554956), (26, 1196120), (34, 914680), (40, 777478), (52, 598060), (65, 478448), (68, 457340), (80, 388739), (85, 365872), (104, 299030), (130, 239224), (136, 228670), (170, 182936), (208, 149515), (221, 140720), (260, 119612), (272, 114335), (340, 91468), (442, 70360), (520, 59806), (680, 45734), (884, 35180), (1040, 29903), (1105, 28144), (1360, 22867), (1759, 17680), (1768, 17590), (2210, 14072), (3518, 8840), (3536, 8795), (4420, 7036)]