1318520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 3602880

約数和(自身を除く): 2284360

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, 277, 280, 340, 476, 554, 595, 680, 952, 1108, 1190, 1385, 1939, 2216, 2380, 2770, 3878, 4709, 4760, 5540, 7756, 9418, 9695, 11080, 15512, 18836, 19390, 23545, 32963, 37672, 38780, 47090, 65926, 77560, 94180, 131852, 164815, 188360, 263704, 329630, 659260, 1318520]

約数ペア:

[(1, 1318520), (2, 659260), (4, 329630), (5, 263704), (7, 188360), (8, 164815), (10, 131852), (14, 94180), (17, 77560), (20, 65926), (28, 47090), (34, 38780), (35, 37672), (40, 32963), (56, 23545), (68, 19390), (70, 18836), (85, 15512), (119, 11080), (136, 9695), (140, 9418), (170, 7756), (238, 5540), (277, 4760), (280, 4709), (340, 3878), (476, 2770), (554, 2380), (595, 2216), (680, 1939), (952, 1385), (1108, 1190)]