2680767160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{69739}}^1$

素因数の和:69812

約数の個数: 48

約数和(自身を含む): 6232663800

約数和(自身を除く): 3551896640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 69739, 139478, 278956, 348695, 557912, 697390, 1394780, 2161909, 2789560, 4323818, 8647636, 10809545, 17295272, 21619090, 43238180, 67019179, 86476360, 134038358, 268076716, 335095895, 536153432, 670191790, 1340383580, 2680767160]

約数ペア:

[(1, 2680767160), (2, 1340383580), (4, 670191790), (5, 536153432), (8, 335095895), (10, 268076716), (20, 134038358), (31, 86476360), (40, 67019179), (62, 43238180), (124, 21619090), (155, 17295272), (248, 10809545), (310, 8647636), (620, 4323818), (961, 2789560), (1240, 2161909), (1922, 1394780), (3844, 697390), (4805, 557912), (7688, 348695), (9610, 278956), (19220, 139478), (38440, 69739)]