1255557780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 4160782080

約数和(自身を除く): 2905224300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 233, 255, 270, 306, 340, 459, 466, 510, 540, 587, 612, 699, 765, 918, 932, 1020, 1165, 1174, 1398, 1530, 1761, 1836, 2097, 2295, 2330, 2348, 2796, 2935, 3060, 3495, 3522, 3961, 4194, 4590, 4660, 5283, 5870, 6291, 6990, 7044, 7922, 8388, 8805, 9180, 9979, 10485, 10566, 11740, 11883, 12582, 13980, 15844, 15849, 17610, 19805, 19958, 20970, 21132, 23766, 25164, 26415, 29937, 31455, 31698, 35220, 35649, 39610, 39916, 41940, 47532, 49895, 52830, 59415, 59874, 62910, 63396, 71298, 79220, 79245, 89811, 99790, 105660, 106947, 118830, 119748, 125820, 136771, 142596, 149685, 158490, 178245, 179622, 199580, 213894, 237660, 269433, 273542, 299370, 316980, 356490, 359244, 410313, 427788, 449055, 534735, 538866, 547084, 598740, 683855, 712980, 820626, 898110, 1069470, 1077732, 1230939, 1347165, 1367710, 1641252, 1796220, 2051565, 2138940, 2325107, 2461878, 2694330, 2735420, 3692817, 4103130, 4650214, 4923756, 5388660, 6154695, 6975321, 7385634, 8206260, 9300428, 11625535, 12309390, 13950642, 14771268, 18464085, 20925963, 23251070, 24618780, 27901284, 34876605, 36928170, 41851926, 46502140, 62777889, 69753210, 73856340, 83703852, 104629815, 125555778, 139506420, 209259630, 251111556, 313889445, 418519260, 627778890, 1255557780]

約数ペア:

[(1, 1255557780), (2, 627778890), (3, 418519260), (4, 313889445), (5, 251111556), (6, 209259630), (9, 139506420), (10, 125555778), (12, 104629815), (15, 83703852), (17, 73856340), (18, 69753210), (20, 62777889), (27, 46502140), (30, 41851926), (34, 36928170), (36, 34876605), (45, 27901284), (51, 24618780), (54, 23251070), (60, 20925963), (68, 18464085), (85, 14771268), (90, 13950642), (102, 12309390), (108, 11625535), (135, 9300428), (153, 8206260), (170, 7385634), (180, 6975321), (204, 6154695), (233, 5388660), (255, 4923756), (270, 4650214), (306, 4103130), (340, 3692817), (459, 2735420), (466, 2694330), (510, 2461878), (540, 2325107), (587, 2138940), (612, 2051565), (699, 1796220), (765, 1641252), (918, 1367710), (932, 1347165), (1020, 1230939), (1165, 1077732), (1174, 1069470), (1398, 898110), (1530, 820626), (1761, 712980), (1836, 683855), (2097, 598740), (2295, 547084), (2330, 538866), (2348, 534735), (2796, 449055), (2935, 427788), (3060, 410313), (3495, 359244), (3522, 356490), (3961, 316980), (4194, 299370), (4590, 273542), (4660, 269433), (5283, 237660), (5870, 213894), (6291, 199580), (6990, 179622), (7044, 178245), (7922, 158490), (8388, 149685), (8805, 142596), (9180, 136771), (9979, 125820), (10485, 119748), (10566, 118830), (11740, 106947), (11883, 105660), (12582, 99790), (13980, 89811), (15844, 79245), (15849, 79220), (17610, 71298), (19805, 63396), (19958, 62910), (20970, 59874), (21132, 59415), (23766, 52830), (25164, 49895), (26415, 47532), (29937, 41940), (31455, 39916), (31698, 39610), (35220, 35649)]