18895570720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{4729}}^1$

素因数の和:4887

約数の個数: 192

約数和(自身を含む): 51363940320

約数和(自身を除く): 32468369600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 113, 130, 136, 160, 170, 208, 221, 226, 260, 272, 340, 416, 442, 452, 520, 544, 565, 680, 884, 904, 1040, 1105, 1130, 1360, 1469, 1768, 1808, 1921, 2080, 2210, 2260, 2720, 2938, 3536, 3616, 3842, 4420, 4520, 4729, 5876, 7072, 7345, 7684, 8840, 9040, 9458, 9605, 11752, 14690, 15368, 17680, 18080, 18916, 19210, 23504, 23645, 24973, 29380, 30736, 35360, 37832, 38420, 47008, 47290, 49946, 58760, 61472, 61477, 75664, 76840, 80393, 94580, 99892, 117520, 122954, 124865, 151328, 153680, 160786, 189160, 199784, 235040, 245908, 249730, 307360, 307385, 321572, 378320, 399568, 401965, 491816, 499460, 534377, 614770, 643144, 756640, 799136, 803930, 983632, 998920, 1045109, 1068754, 1229540, 1286288, 1607860, 1967264, 1997840, 2090218, 2137508, 2459080, 2572576, 2671885, 3215720, 3995680, 4180436, 4275016, 4918160, 5225545, 5343770, 6431440, 6946901, 8360872, 8550032, 9084409, 9836320, 10451090, 10687540, 12862880, 13893802, 16721744, 17100064, 18168818, 20902180, 21375080, 27787604, 33443488, 34734505, 36337636, 41804360, 42750160, 45422045, 55575208, 69469010, 72675272, 83608720, 85500320, 90844090, 111150416, 118097317, 138938020, 145350544, 167217440, 181688180, 222300832, 236194634, 277876040, 290701088, 363376360, 472389268, 555752080, 590486585, 726752720, 944778536, 1111504160, 1180973170, 1453505440, 1889557072, 2361946340, 3779114144, 4723892680, 9447785360, 18895570720]

約数ペア:

[(1, 18895570720), (2, 9447785360), (4, 4723892680), (5, 3779114144), (8, 2361946340), (10, 1889557072), (13, 1453505440), (16, 1180973170), (17, 1111504160), (20, 944778536), (26, 726752720), (32, 590486585), (34, 555752080), (40, 472389268), (52, 363376360), (65, 290701088), (68, 277876040), (80, 236194634), (85, 222300832), (104, 181688180), (113, 167217440), (130, 145350544), (136, 138938020), (160, 118097317), (170, 111150416), (208, 90844090), (221, 85500320), (226, 83608720), (260, 72675272), (272, 69469010), (340, 55575208), (416, 45422045), (442, 42750160), (452, 41804360), (520, 36337636), (544, 34734505), (565, 33443488), (680, 27787604), (884, 21375080), (904, 20902180), (1040, 18168818), (1105, 17100064), (1130, 16721744), (1360, 13893802), (1469, 12862880), (1768, 10687540), (1808, 10451090), (1921, 9836320), (2080, 9084409), (2210, 8550032), (2260, 8360872), (2720, 6946901), (2938, 6431440), (3536, 5343770), (3616, 5225545), (3842, 4918160), (4420, 4275016), (4520, 4180436), (4729, 3995680), (5876, 3215720), (7072, 2671885), (7345, 2572576), (7684, 2459080), (8840, 2137508), (9040, 2090218), (9458, 1997840), (9605, 1967264), (11752, 1607860), (14690, 1286288), (15368, 1229540), (17680, 1068754), (18080, 1045109), (18916, 998920), (19210, 983632), (23504, 803930), (23645, 799136), (24973, 756640), (29380, 643144), (30736, 614770), (35360, 534377), (37832, 499460), (38420, 491816), (47008, 401965), (47290, 399568), (49946, 378320), (58760, 321572), (61472, 307385), (61477, 307360), (75664, 249730), (76840, 245908), (80393, 235040), (94580, 199784), (99892, 189160), (117520, 160786), (122954, 153680), (124865, 151328)]