12357280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 31681692

約数和(自身を除く): 19324412

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 457, 520, 676, 845, 914, 1040, 1352, 1690, 1828, 2080, 2285, 2704, 3380, 3656, 4570, 5408, 5941, 6760, 7312, 9140, 11882, 13520, 14624, 18280, 23764, 27040, 29705, 36560, 47528, 59410, 73120, 77233, 95056, 118820, 154466, 190112, 237640, 308932, 386165, 475280, 617864, 772330, 950560, 1235728, 1544660, 2471456, 3089320, 6178640, 12357280]

約数ペア:

[(1, 12357280), (2, 6178640), (4, 3089320), (5, 2471456), (8, 1544660), (10, 1235728), (13, 950560), (16, 772330), (20, 617864), (26, 475280), (32, 386165), (40, 308932), (52, 237640), (65, 190112), (80, 154466), (104, 118820), (130, 95056), (160, 77233), (169, 73120), (208, 59410), (260, 47528), (338, 36560), (416, 29705), (457, 27040), (520, 23764), (676, 18280), (845, 14624), (914, 13520), (1040, 11882), (1352, 9140), (1690, 7312), (1828, 6760), (2080, 5941), (2285, 5408), (2704, 4570), (3380, 3656)]