30908080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 83119680

約数和(自身を除く): 52211600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 569, 679, 776, 970, 1138, 1358, 1552, 1940, 2276, 2716, 2845, 3395, 3880, 3983, 4552, 5432, 5690, 6790, 7760, 7966, 9104, 10864, 11380, 13580, 15932, 19915, 22760, 27160, 31864, 39830, 45520, 54320, 55193, 63728, 79660, 110386, 159320, 220772, 275965, 318640, 386351, 441544, 551930, 772702, 883088, 1103860, 1545404, 1931755, 2207720, 3090808, 3863510, 4415440, 6181616, 7727020, 15454040, 30908080]

約数ペア:

[(1, 30908080), (2, 15454040), (4, 7727020), (5, 6181616), (7, 4415440), (8, 3863510), (10, 3090808), (14, 2207720), (16, 1931755), (20, 1545404), (28, 1103860), (35, 883088), (40, 772702), (56, 551930), (70, 441544), (80, 386351), (97, 318640), (112, 275965), (140, 220772), (194, 159320), (280, 110386), (388, 79660), (485, 63728), (560, 55193), (569, 54320), (679, 45520), (776, 39830), (970, 31864), (1138, 27160), (1358, 22760), (1552, 19915), (1940, 15932), (2276, 13580), (2716, 11380), (2845, 10864), (3395, 9104), (3880, 7966), (3983, 7760), (4552, 6790), (5432, 5690)]