12456920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2652

約数の個数: 64

約数和(自身を含む): 33929280

約数和(自身を除く): 21472360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 2617, 4760, 5234, 10468, 13085, 18319, 20936, 26170, 36638, 44489, 52340, 73276, 88978, 91595, 104680, 146552, 177956, 183190, 222445, 311423, 355912, 366380, 444890, 622846, 732760, 889780, 1245692, 1557115, 1779560, 2491384, 3114230, 6228460, 12456920]

約数ペア:

[(1, 12456920), (2, 6228460), (4, 3114230), (5, 2491384), (7, 1779560), (8, 1557115), (10, 1245692), (14, 889780), (17, 732760), (20, 622846), (28, 444890), (34, 366380), (35, 355912), (40, 311423), (56, 222445), (68, 183190), (70, 177956), (85, 146552), (119, 104680), (136, 91595), (140, 88978), (170, 73276), (238, 52340), (280, 44489), (340, 36638), (476, 26170), (595, 20936), (680, 18319), (952, 13085), (1190, 10468), (2380, 5234), (2617, 4760)]