1388960280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:874

約数の個数: 192

約数和(自身を含む): 4664368800

約数和(自身を除く): 3275408520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 139, 164, 180, 205, 246, 278, 328, 360, 369, 410, 417, 492, 556, 615, 677, 695, 738, 820, 834, 984, 1112, 1230, 1251, 1354, 1390, 1476, 1640, 1668, 1845, 2031, 2085, 2460, 2502, 2708, 2780, 2952, 3336, 3385, 3690, 4062, 4170, 4920, 5004, 5416, 5560, 5699, 6093, 6255, 6770, 7380, 8124, 8340, 10008, 10155, 11398, 12186, 12510, 13540, 14760, 16248, 16680, 17097, 20310, 22796, 24372, 25020, 27080, 27757, 28495, 30465, 34194, 40620, 45592, 48744, 50040, 51291, 55514, 56990, 60930, 68388, 81240, 83271, 85485, 94103, 102582, 111028, 113980, 121860, 136776, 138785, 166542, 170970, 188206, 205164, 222056, 227960, 243720, 249813, 256455, 277570, 282309, 333084, 341940, 376412, 410328, 416355, 470515, 499626, 512910, 555140, 564618, 666168, 683880, 752824, 832710, 846927, 941030, 999252, 1025820, 1110280, 1129236, 1249065, 1411545, 1665420, 1693854, 1882060, 1998504, 2051640, 2258472, 2498130, 2823090, 3330840, 3387708, 3764120, 3858223, 4234635, 4996260, 5646180, 6775416, 7716446, 8469270, 9992520, 11292360, 11574669, 15432892, 16938540, 19291115, 23149338, 30865784, 33877080, 34724007, 38582230, 46298676, 57873345, 69448014, 77164460, 92597352, 115746690, 138896028, 154328920, 173620035, 231493380, 277792056, 347240070, 462986760, 694480140, 1388960280]

約数ペア:

[(1, 1388960280), (2, 694480140), (3, 462986760), (4, 347240070), (5, 277792056), (6, 231493380), (8, 173620035), (9, 154328920), (10, 138896028), (12, 115746690), (15, 92597352), (18, 77164460), (20, 69448014), (24, 57873345), (30, 46298676), (36, 38582230), (40, 34724007), (41, 33877080), (45, 30865784), (60, 23149338), (72, 19291115), (82, 16938540), (90, 15432892), (120, 11574669), (123, 11292360), (139, 9992520), (164, 8469270), (180, 7716446), (205, 6775416), (246, 5646180), (278, 4996260), (328, 4234635), (360, 3858223), (369, 3764120), (410, 3387708), (417, 3330840), (492, 2823090), (556, 2498130), (615, 2258472), (677, 2051640), (695, 1998504), (738, 1882060), (820, 1693854), (834, 1665420), (984, 1411545), (1112, 1249065), (1230, 1129236), (1251, 1110280), (1354, 1025820), (1390, 999252), (1476, 941030), (1640, 846927), (1668, 832710), (1845, 752824), (2031, 683880), (2085, 666168), (2460, 564618), (2502, 555140), (2708, 512910), (2780, 499626), (2952, 470515), (3336, 416355), (3385, 410328), (3690, 376412), (4062, 341940), (4170, 333084), (4920, 282309), (5004, 277570), (5416, 256455), (5560, 249813), (5699, 243720), (6093, 227960), (6255, 222056), (6770, 205164), (7380, 188206), (8124, 170970), (8340, 166542), (10008, 138785), (10155, 136776), (11398, 121860), (12186, 113980), (12510, 111028), (13540, 102582), (14760, 94103), (16248, 85485), (16680, 83271), (17097, 81240), (20310, 68388), (22796, 60930), (24372, 56990), (25020, 55514), (27080, 51291), (27757, 50040), (28495, 48744), (30465, 45592), (34194, 40620)]