81291480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2137}}^1$

素因数の和:2468

約数の個数: 64

約数和(自身を含む): 244758240

約数和(自身を除く): 163466760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 634, 951, 1268, 1585, 1902, 2137, 2536, 3170, 3804, 4274, 4755, 6340, 6411, 7608, 8548, 9510, 10685, 12680, 12822, 17096, 19020, 21370, 25644, 32055, 38040, 42740, 51288, 64110, 85480, 128220, 256440, 677429, 1354858, 2032287, 2709716, 3387145, 4064574, 5419432, 6774290, 8129148, 10161435, 13548580, 16258296, 20322870, 27097160, 40645740, 81291480]

約数ペア:

[(1, 81291480), (2, 40645740), (3, 27097160), (4, 20322870), (5, 16258296), (6, 13548580), (8, 10161435), (10, 8129148), (12, 6774290), (15, 5419432), (20, 4064574), (24, 3387145), (30, 2709716), (40, 2032287), (60, 1354858), (120, 677429), (317, 256440), (634, 128220), (951, 85480), (1268, 64110), (1585, 51288), (1902, 42740), (2137, 38040), (2536, 32055), (3170, 25644), (3804, 21370), (4274, 19020), (4755, 17096), (6340, 12822), (6411, 12680), (7608, 10685), (8548, 9510)]