10920280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 28765440

約数和(自身を除く): 17845160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 907, 1204, 1505, 1720, 1814, 2408, 3010, 3628, 4535, 6020, 6349, 7256, 9070, 12040, 12698, 18140, 25396, 31745, 36280, 39001, 50792, 63490, 78002, 126980, 156004, 195005, 253960, 273007, 312008, 390010, 546014, 780020, 1092028, 1365035, 1560040, 2184056, 2730070, 5460140, 10920280]

約数ペア:

[(1, 10920280), (2, 5460140), (4, 2730070), (5, 2184056), (7, 1560040), (8, 1365035), (10, 1092028), (14, 780020), (20, 546014), (28, 390010), (35, 312008), (40, 273007), (43, 253960), (56, 195005), (70, 156004), (86, 126980), (140, 78002), (172, 63490), (215, 50792), (280, 39001), (301, 36280), (344, 31745), (430, 25396), (602, 18140), (860, 12698), (907, 12040), (1204, 9070), (1505, 7256), (1720, 6349), (1814, 6020), (2408, 4535), (3010, 3628)]