1262720640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1373}}^1$

素因数の和:1874

約数の個数: 128

約数和(自身を含む): 4036262400

約数和(自身を除く): 2773541760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 479, 480, 640, 958, 960, 1373, 1437, 1916, 1920, 2395, 2746, 2874, 3832, 4119, 4790, 5492, 5748, 6865, 7185, 7664, 8238, 9580, 10984, 11496, 13730, 14370, 15328, 16476, 19160, 20595, 21968, 22992, 27460, 28740, 30656, 32952, 38320, 41190, 43936, 45984, 54920, 57480, 61312, 65904, 76640, 82380, 87872, 91968, 109840, 114960, 131808, 153280, 164760, 175744, 183936, 219680, 229920, 263616, 306560, 329520, 439360, 459840, 527232, 657667, 659040, 878720, 919680, 1315334, 1318080, 1973001, 2630668, 2636160, 3288335, 3946002, 5261336, 6576670, 7892004, 9865005, 10522672, 13153340, 15784008, 19730010, 21045344, 26306680, 31568016, 39460020, 42090688, 52613360, 63136032, 78920040, 84181376, 105226720, 126272064, 157840080, 210453440, 252544128, 315680160, 420906880, 631360320, 1262720640]

約数ペア:

[(1, 1262720640), (2, 631360320), (3, 420906880), (4, 315680160), (5, 252544128), (6, 210453440), (8, 157840080), (10, 126272064), (12, 105226720), (15, 84181376), (16, 78920040), (20, 63136032), (24, 52613360), (30, 42090688), (32, 39460020), (40, 31568016), (48, 26306680), (60, 21045344), (64, 19730010), (80, 15784008), (96, 13153340), (120, 10522672), (128, 9865005), (160, 7892004), (192, 6576670), (240, 5261336), (320, 3946002), (384, 3288335), (479, 2636160), (480, 2630668), (640, 1973001), (958, 1318080), (960, 1315334), (1373, 919680), (1437, 878720), (1916, 659040), (1920, 657667), (2395, 527232), (2746, 459840), (2874, 439360), (3832, 329520), (4119, 306560), (4790, 263616), (5492, 229920), (5748, 219680), (6865, 183936), (7185, 175744), (7664, 164760), (8238, 153280), (9580, 131808), (10984, 114960), (11496, 109840), (13730, 91968), (14370, 87872), (15328, 82380), (16476, 76640), (19160, 65904), (20595, 61312), (21968, 57480), (22992, 54920), (27460, 45984), (28740, 43936), (30656, 41190), (32952, 38320)]