1272440880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{613}}^1$

素因数の和:697

約数の個数: 240

約数和(自身を含む): 4536182880

約数和(自身を除く): 3263742000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 613, 620, 720, 744, 837, 930, 961, 1080, 1116, 1226, 1240, 1395, 1488, 1674, 1839, 1860, 1922, 2160, 2232, 2452, 2480, 2790, 2883, 3065, 3348, 3678, 3720, 3844, 4185, 4464, 4805, 4904, 5517, 5580, 5766, 6130, 6696, 7356, 7440, 7688, 8370, 8649, 9195, 9610, 9808, 11034, 11160, 11532, 12260, 13392, 14415, 14712, 15376, 16551, 16740, 17298, 18390, 19003, 19220, 22068, 22320, 23064, 24520, 25947, 27585, 28830, 29424, 33102, 33480, 34596, 36780, 38006, 38440, 43245, 44136, 46128, 49040, 51894, 55170, 57009, 57660, 66204, 66960, 69192, 73560, 76012, 76880, 82755, 86490, 88272, 95015, 103788, 110340, 114018, 115320, 129735, 132408, 138384, 147120, 152024, 165510, 171027, 172980, 190030, 207576, 220680, 228036, 230640, 259470, 264816, 285045, 304048, 331020, 342054, 345960, 380060, 415152, 441360, 456072, 513081, 518940, 570090, 589093, 662040, 684108, 691920, 760120, 855135, 912144, 1026162, 1037880, 1140180, 1178186, 1324080, 1368216, 1520240, 1710270, 1767279, 2052324, 2075760, 2280360, 2356372, 2565405, 2736432, 2945465, 3420540, 3534558, 4104648, 4560720, 4712744, 5130810, 5301837, 5890930, 6841080, 7069116, 8209296, 8836395, 9425488, 10261620, 10603674, 11781860, 13682160, 14138232, 15905511, 17672790, 20523240, 21207348, 23563720, 26509185, 28276464, 31811022, 35345580, 41046480, 42414696, 47127440, 53018370, 63622044, 70691160, 79527555, 84829392, 106036740, 127244088, 141382320, 159055110, 212073480, 254488176, 318110220, 424146960, 636220440, 1272440880]

約数ペア:

[(1, 1272440880), (2, 636220440), (3, 424146960), (4, 318110220), (5, 254488176), (6, 212073480), (8, 159055110), (9, 141382320), (10, 127244088), (12, 106036740), (15, 84829392), (16, 79527555), (18, 70691160), (20, 63622044), (24, 53018370), (27, 47127440), (30, 42414696), (31, 41046480), (36, 35345580), (40, 31811022), (45, 28276464), (48, 26509185), (54, 23563720), (60, 21207348), (62, 20523240), (72, 17672790), (80, 15905511), (90, 14138232), (93, 13682160), (108, 11781860), (120, 10603674), (124, 10261620), (135, 9425488), (144, 8836395), (155, 8209296), (180, 7069116), (186, 6841080), (216, 5890930), (240, 5301837), (248, 5130810), (270, 4712744), (279, 4560720), (310, 4104648), (360, 3534558), (372, 3420540), (432, 2945465), (465, 2736432), (496, 2565405), (540, 2356372), (558, 2280360), (613, 2075760), (620, 2052324), (720, 1767279), (744, 1710270), (837, 1520240), (930, 1368216), (961, 1324080), (1080, 1178186), (1116, 1140180), (1226, 1037880), (1240, 1026162), (1395, 912144), (1488, 855135), (1674, 760120), (1839, 691920), (1860, 684108), (1922, 662040), (2160, 589093), (2232, 570090), (2452, 518940), (2480, 513081), (2790, 456072), (2883, 441360), (3065, 415152), (3348, 380060), (3678, 345960), (3720, 342054), (3844, 331020), (4185, 304048), (4464, 285045), (4805, 264816), (4904, 259470), (5517, 230640), (5580, 228036), (5766, 220680), (6130, 207576), (6696, 190030), (7356, 172980), (7440, 171027), (7688, 165510), (8370, 152024), (8649, 147120), (9195, 138384), (9610, 132408), (9808, 129735), (11034, 115320), (11160, 114018), (11532, 110340), (12260, 103788), (13392, 95015), (14415, 88272), (14712, 86490), (15376, 82755), (16551, 76880), (16740, 76012), (17298, 73560), (18390, 69192), (19003, 66960), (19220, 66204), (22068, 57660), (22320, 57009), (23064, 55170), (24520, 51894), (25947, 49040), (27585, 46128), (28830, 44136), (29424, 43245), (33102, 38440), (33480, 38006), (34596, 36780)]