178056540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7789}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 544427520

約数和(自身を除く): 366370980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 7789, 11430, 15578, 22860, 23367, 31156, 38945, 46734, 70101, 77890, 93468, 116835, 140202, 155780, 233670, 280404, 350505, 467340, 701010, 989203, 1402020, 1978406, 2967609, 3956812, 4946015, 5935218, 8902827, 9892030, 11870436, 14838045, 17805654, 19784060, 29676090, 35611308, 44514135, 59352180, 89028270, 178056540]

約数ペア:

[(1, 178056540), (2, 89028270), (3, 59352180), (4, 44514135), (5, 35611308), (6, 29676090), (9, 19784060), (10, 17805654), (12, 14838045), (15, 11870436), (18, 9892030), (20, 8902827), (30, 5935218), (36, 4946015), (45, 3956812), (60, 2967609), (90, 1978406), (127, 1402020), (180, 989203), (254, 701010), (381, 467340), (508, 350505), (635, 280404), (762, 233670), (1143, 155780), (1270, 140202), (1524, 116835), (1905, 93468), (2286, 77890), (2540, 70101), (3810, 46734), (4572, 38945), (5715, 31156), (7620, 23367), (7789, 22860), (11430, 15578)]