1999496640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71821}}^1$

素因数の和:71870

約数の個数: 112

約数和(自身を含む): 6567403680

約数和(自身を除く): 4567907040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 6960, 9280, 13920, 27840, 71821, 143642, 215463, 287284, 359105, 430926, 574568, 718210, 861852, 1077315, 1149136, 1436420, 1723704, 2082809, 2154630, 2298272, 2872840, 3447408, 4165618, 4309260, 4596544, 5745680, 6248427, 6894816, 8331236, 8618520, 10414045, 11491360, 12496854, 13789632, 16662472, 17237040, 20828090, 22982720, 24993708, 31242135, 33324944, 34474080, 41656180, 49987416, 62484270, 66649888, 68948160, 83312360, 99974832, 124968540, 133299776, 166624720, 199949664, 249937080, 333249440, 399899328, 499874160, 666498880, 999748320, 1999496640]

約数ペア:

[(1, 1999496640), (2, 999748320), (3, 666498880), (4, 499874160), (5, 399899328), (6, 333249440), (8, 249937080), (10, 199949664), (12, 166624720), (15, 133299776), (16, 124968540), (20, 99974832), (24, 83312360), (29, 68948160), (30, 66649888), (32, 62484270), (40, 49987416), (48, 41656180), (58, 34474080), (60, 33324944), (64, 31242135), (80, 24993708), (87, 22982720), (96, 20828090), (116, 17237040), (120, 16662472), (145, 13789632), (160, 12496854), (174, 11491360), (192, 10414045), (232, 8618520), (240, 8331236), (290, 6894816), (320, 6248427), (348, 5745680), (435, 4596544), (464, 4309260), (480, 4165618), (580, 3447408), (696, 2872840), (870, 2298272), (928, 2154630), (960, 2082809), (1160, 1723704), (1392, 1436420), (1740, 1149136), (1856, 1077315), (2320, 861852), (2784, 718210), (3480, 574568), (4640, 430926), (5568, 359105), (6960, 287284), (9280, 215463), (13920, 143642), (27840, 71821)]