1279938840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1361}}^1$

素因数の和:1853

約数の個数: 128

約数和(自身を含む): 4077501120

約数和(自身を除く): 2797562280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 461, 510, 680, 922, 1020, 1361, 1383, 1844, 2040, 2305, 2722, 2766, 3688, 4083, 4610, 5444, 5532, 6805, 6915, 7837, 8166, 9220, 10888, 11064, 13610, 13830, 15674, 16332, 18440, 20415, 23137, 23511, 27220, 27660, 31348, 32664, 39185, 40830, 46274, 47022, 54440, 55320, 62696, 69411, 78370, 81660, 92548, 94044, 115685, 117555, 138822, 156740, 163320, 185096, 188088, 231370, 235110, 277644, 313480, 347055, 462740, 470220, 555288, 627421, 694110, 925480, 940440, 1254842, 1388220, 1882263, 2509684, 2776440, 3137105, 3764526, 5019368, 6274210, 7529052, 9411315, 10666157, 12548420, 15058104, 18822630, 21332314, 25096840, 31998471, 37645260, 42664628, 53330785, 63996942, 75290520, 85329256, 106661570, 127993884, 159992355, 213323140, 255987768, 319984710, 426646280, 639969420, 1279938840]

約数ペア:

[(1, 1279938840), (2, 639969420), (3, 426646280), (4, 319984710), (5, 255987768), (6, 213323140), (8, 159992355), (10, 127993884), (12, 106661570), (15, 85329256), (17, 75290520), (20, 63996942), (24, 53330785), (30, 42664628), (34, 37645260), (40, 31998471), (51, 25096840), (60, 21332314), (68, 18822630), (85, 15058104), (102, 12548420), (120, 10666157), (136, 9411315), (170, 7529052), (204, 6274210), (255, 5019368), (340, 3764526), (408, 3137105), (461, 2776440), (510, 2509684), (680, 1882263), (922, 1388220), (1020, 1254842), (1361, 940440), (1383, 925480), (1844, 694110), (2040, 627421), (2305, 555288), (2722, 470220), (2766, 462740), (3688, 347055), (4083, 313480), (4610, 277644), (5444, 235110), (5532, 231370), (6805, 188088), (6915, 185096), (7837, 163320), (8166, 156740), (9220, 138822), (10888, 117555), (11064, 115685), (13610, 94044), (13830, 92548), (15674, 81660), (16332, 78370), (18440, 69411), (20415, 62696), (23137, 55320), (23511, 54440), (27220, 47022), (27660, 46274), (31348, 40830), (32664, 39185)]