80850

素因数分解:

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

素因数の和:40

約数の個数: 72

約数和(自身を含む): 254448

約数和(自身を除く): 173598

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 49, 50, 55, 66, 70, 75, 77, 98, 105, 110, 147, 150, 154, 165, 175, 210, 231, 245, 275, 294, 330, 350, 385, 462, 490, 525, 539, 550, 735, 770, 825, 1050, 1078, 1155, 1225, 1470, 1617, 1650, 1925, 2310, 2450, 2695, 3234, 3675, 3850, 5390, 5775, 7350, 8085, 11550, 13475, 16170, 26950, 40425, 80850]

約数ペア:

[(1, 80850), (2, 40425), (3, 26950), (5, 16170), (6, 13475), (7, 11550), (10, 8085), (11, 7350), (14, 5775), (15, 5390), (21, 3850), (22, 3675), (25, 3234), (30, 2695), (33, 2450), (35, 2310), (42, 1925), (49, 1650), (50, 1617), (55, 1470), (66, 1225), (70, 1155), (75, 1078), (77, 1050), (98, 825), (105, 770), (110, 735), (147, 550), (150, 539), (154, 525), (165, 490), (175, 462), (210, 385), (231, 350), (245, 330), (275, 294)]