1078128720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1511}}^1$

素因数の和:2521

約数の個数: 120

約数和(自身を含む): 3626767872

約数和(自身を除く): 2548639152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 991, 1511, 1982, 2973, 3022, 3964, 4533, 4955, 5946, 6044, 7555, 7928, 8919, 9066, 9910, 11892, 12088, 13599, 14865, 15110, 15856, 17838, 18132, 19820, 22665, 23784, 24176, 27198, 29730, 30220, 35676, 36264, 39640, 44595, 45330, 47568, 54396, 59460, 60440, 67995, 71352, 72528, 79280, 89190, 90660, 108792, 118920, 120880, 135990, 142704, 178380, 181320, 217584, 237840, 271980, 356760, 362640, 543960, 713520, 1087920, 1497401, 2994802, 4492203, 5989604, 7487005, 8984406, 11979208, 13476609, 14974010, 17968812, 22461015, 23958416, 26953218, 29948020, 35937624, 44922030, 53906436, 59896040, 67383045, 71875248, 89844060, 107812872, 119792080, 134766090, 179688120, 215625744, 269532180, 359376240, 539064360, 1078128720]

約数ペア:

[(1, 1078128720), (2, 539064360), (3, 359376240), (4, 269532180), (5, 215625744), (6, 179688120), (8, 134766090), (9, 119792080), (10, 107812872), (12, 89844060), (15, 71875248), (16, 67383045), (18, 59896040), (20, 53906436), (24, 44922030), (30, 35937624), (36, 29948020), (40, 26953218), (45, 23958416), (48, 22461015), (60, 17968812), (72, 14974010), (80, 13476609), (90, 11979208), (120, 8984406), (144, 7487005), (180, 5989604), (240, 4492203), (360, 2994802), (720, 1497401), (991, 1087920), (1511, 713520), (1982, 543960), (2973, 362640), (3022, 356760), (3964, 271980), (4533, 237840), (4955, 217584), (5946, 181320), (6044, 178380), (7555, 142704), (7928, 135990), (8919, 120880), (9066, 118920), (9910, 108792), (11892, 90660), (12088, 89190), (13599, 79280), (14865, 72528), (15110, 71352), (15856, 67995), (17838, 60440), (18132, 59460), (19820, 54396), (22665, 47568), (23784, 45330), (24176, 44595), (27198, 39640), (29730, 36264), (30220, 35676)]