131487160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16193}}^1$

素因数の和:16240

約数の個数: 64

約数和(自身を含む): 349790400

約数和(自身を除く): 218303240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 16193, 32386, 64772, 80965, 113351, 129544, 161930, 226702, 323860, 453404, 469597, 566755, 647720, 906808, 939194, 1133510, 1878388, 2267020, 2347985, 3287179, 3756776, 4534040, 4695970, 6574358, 9391940, 13148716, 16435895, 18783880, 26297432, 32871790, 65743580, 131487160]

約数ペア:

[(1, 131487160), (2, 65743580), (4, 32871790), (5, 26297432), (7, 18783880), (8, 16435895), (10, 13148716), (14, 9391940), (20, 6574358), (28, 4695970), (29, 4534040), (35, 3756776), (40, 3287179), (56, 2347985), (58, 2267020), (70, 1878388), (116, 1133510), (140, 939194), (145, 906808), (203, 647720), (232, 566755), (280, 469597), (290, 453404), (406, 323860), (580, 226702), (812, 161930), (1015, 129544), (1160, 113351), (1624, 80965), (2030, 64772), (4060, 32386), (8120, 16193)]