81803260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 216437760

約数和(自身を除く): 134634500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 439, 484, 605, 770, 847, 878, 1210, 1331, 1540, 1694, 1756, 2195, 2420, 2662, 3073, 3388, 4235, 4390, 4829, 5324, 6146, 6655, 8470, 8780, 9317, 9658, 12292, 13310, 15365, 16940, 18634, 19316, 24145, 26620, 30730, 33803, 37268, 46585, 48290, 53119, 61460, 67606, 93170, 96580, 106238, 135212, 169015, 186340, 212476, 265595, 338030, 371833, 531190, 584309, 676060, 743666, 1062380, 1168618, 1487332, 1859165, 2337236, 2921545, 3718330, 4090163, 5843090, 7436660, 8180326, 11686180, 16360652, 20450815, 40901630, 81803260]

約数ペア:

[(1, 81803260), (2, 40901630), (4, 20450815), (5, 16360652), (7, 11686180), (10, 8180326), (11, 7436660), (14, 5843090), (20, 4090163), (22, 3718330), (28, 2921545), (35, 2337236), (44, 1859165), (55, 1487332), (70, 1168618), (77, 1062380), (110, 743666), (121, 676060), (140, 584309), (154, 531190), (220, 371833), (242, 338030), (308, 265595), (385, 212476), (439, 186340), (484, 169015), (605, 135212), (770, 106238), (847, 96580), (878, 93170), (1210, 67606), (1331, 61460), (1540, 53119), (1694, 48290), (1756, 46585), (2195, 37268), (2420, 33803), (2662, 30730), (3073, 26620), (3388, 24145), (4235, 19316), (4390, 18634), (4829, 16940), (5324, 15365), (6146, 13310), (6655, 12292), (8470, 9658), (8780, 9317)]