280124680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 715518720

約数和(自身を除く): 435394040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1705, 1867, 2420, 2728, 3410, 3734, 3751, 4840, 6820, 7468, 7502, 9335, 13640, 14936, 15004, 18670, 18755, 20537, 30008, 37340, 37510, 41074, 57877, 74680, 75020, 82148, 102685, 115754, 150040, 164296, 205370, 225907, 231508, 289385, 410740, 451814, 463016, 578770, 636647, 821480, 903628, 1129535, 1157540, 1273294, 1807256, 2259070, 2315080, 2546588, 3183235, 4518140, 5093176, 6366470, 7003117, 9036280, 12732940, 14006234, 25465880, 28012468, 35015585, 56024936, 70031170, 140062340, 280124680]

約数ペア:

[(1, 280124680), (2, 140062340), (4, 70031170), (5, 56024936), (8, 35015585), (10, 28012468), (11, 25465880), (20, 14006234), (22, 12732940), (31, 9036280), (40, 7003117), (44, 6366470), (55, 5093176), (62, 4518140), (88, 3183235), (110, 2546588), (121, 2315080), (124, 2259070), (155, 1807256), (220, 1273294), (242, 1157540), (248, 1129535), (310, 903628), (341, 821480), (440, 636647), (484, 578770), (605, 463016), (620, 451814), (682, 410740), (968, 289385), (1210, 231508), (1240, 225907), (1364, 205370), (1705, 164296), (1867, 150040), (2420, 115754), (2728, 102685), (3410, 82148), (3734, 75020), (3751, 74680), (4840, 57877), (6820, 41074), (7468, 37510), (7502, 37340), (9335, 30008), (13640, 20537), (14936, 18755), (15004, 18670)]