120157880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1787}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 277265160

約数和(自身を除く): 157107280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 1787, 3362, 3574, 6724, 7148, 8405, 8935, 13448, 14296, 16810, 17870, 33620, 35740, 67240, 71480, 73267, 146534, 293068, 366335, 586136, 732670, 1465340, 2930680, 3003947, 6007894, 12015788, 15019735, 24031576, 30039470, 60078940, 120157880]

約数ペア:

[(1, 120157880), (2, 60078940), (4, 30039470), (5, 24031576), (8, 15019735), (10, 12015788), (20, 6007894), (40, 3003947), (41, 2930680), (82, 1465340), (164, 732670), (205, 586136), (328, 366335), (410, 293068), (820, 146534), (1640, 73267), (1681, 71480), (1787, 67240), (3362, 35740), (3574, 33620), (6724, 17870), (7148, 16810), (8405, 14296), (8935, 13448)]