1680800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 4499712

約数和(自身を除く): 2818912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 191, 200, 220, 275, 352, 382, 400, 440, 550, 764, 800, 880, 955, 1100, 1528, 1760, 1910, 2101, 2200, 3056, 3820, 4202, 4400, 4775, 6112, 7640, 8404, 8800, 9550, 10505, 15280, 16808, 19100, 21010, 30560, 33616, 38200, 42020, 52525, 67232, 76400, 84040, 105050, 152800, 168080, 210100, 336160, 420200, 840400, 1680800]

約数ペア:

[(1, 1680800), (2, 840400), (4, 420200), (5, 336160), (8, 210100), (10, 168080), (11, 152800), (16, 105050), (20, 84040), (22, 76400), (25, 67232), (32, 52525), (40, 42020), (44, 38200), (50, 33616), (55, 30560), (80, 21010), (88, 19100), (100, 16808), (110, 15280), (160, 10505), (176, 9550), (191, 8800), (200, 8404), (220, 7640), (275, 6112), (352, 4775), (382, 4400), (400, 4202), (440, 3820), (550, 3056), (764, 2200), (800, 2101), (880, 1910), (955, 1760), (1100, 1528)]