81358680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52153}}^1$

素因数の和:52180

約数の個数: 64

約数和(自身を含む): 262856160

約数和(自身を除く): 181497480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52153, 104306, 156459, 208612, 260765, 312918, 417224, 521530, 625836, 677989, 782295, 1043060, 1251672, 1355978, 1564590, 2033967, 2086120, 2711956, 3129180, 3389945, 4067934, 5423912, 6258360, 6779890, 8135868, 10169835, 13559780, 16271736, 20339670, 27119560, 40679340, 81358680]

約数ペア:

[(1, 81358680), (2, 40679340), (3, 27119560), (4, 20339670), (5, 16271736), (6, 13559780), (8, 10169835), (10, 8135868), (12, 6779890), (13, 6258360), (15, 5423912), (20, 4067934), (24, 3389945), (26, 3129180), (30, 2711956), (39, 2086120), (40, 2033967), (52, 1564590), (60, 1355978), (65, 1251672), (78, 1043060), (104, 782295), (120, 677989), (130, 625836), (156, 521530), (195, 417224), (260, 312918), (312, 260765), (390, 208612), (520, 156459), (780, 104306), (1560, 52153)]