81297360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112913}}^1$

素因数の和:112932

約数の個数: 60

約数和(自身を含む): 273026052

約数和(自身を除く): 191728692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112913, 225826, 338739, 451652, 564565, 677478, 903304, 1016217, 1129130, 1354956, 1693695, 1806608, 2032434, 2258260, 2709912, 3387390, 4064868, 4516520, 5081085, 5419824, 6774780, 8129736, 9033040, 10162170, 13549560, 16259472, 20324340, 27099120, 40648680, 81297360]

約数ペア:

[(1, 81297360), (2, 40648680), (3, 27099120), (4, 20324340), (5, 16259472), (6, 13549560), (8, 10162170), (9, 9033040), (10, 8129736), (12, 6774780), (15, 5419824), (16, 5081085), (18, 4516520), (20, 4064868), (24, 3387390), (30, 2709912), (36, 2258260), (40, 2032434), (45, 1806608), (48, 1693695), (60, 1354956), (72, 1129130), (80, 1016217), (90, 903304), (120, 677478), (144, 564565), (180, 451652), (240, 338739), (360, 225826), (720, 112913)]