857455040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 224

約数和(自身を含む): 2328184320

約数和(自身を除く): 1470729280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 64, 65, 80, 104, 109, 122, 124, 130, 155, 160, 208, 218, 244, 248, 260, 305, 310, 320, 403, 416, 436, 488, 496, 520, 545, 610, 620, 793, 806, 832, 872, 976, 992, 1040, 1090, 1220, 1240, 1417, 1586, 1612, 1744, 1891, 1952, 1984, 2015, 2080, 2180, 2440, 2480, 2834, 3172, 3224, 3379, 3488, 3782, 3904, 3965, 4030, 4160, 4360, 4880, 4960, 5668, 6344, 6448, 6649, 6758, 6976, 7085, 7564, 7930, 8060, 8720, 9455, 9760, 9920, 11336, 12688, 12896, 13298, 13516, 14170, 15128, 15860, 16120, 16895, 17440, 18910, 19520, 22672, 24583, 25376, 25792, 26596, 27032, 28340, 30256, 31720, 32240, 33245, 33790, 34880, 37820, 43927, 45344, 49166, 50752, 53192, 54064, 56680, 60512, 63440, 64480, 66490, 67580, 75640, 86437, 87854, 90688, 98332, 106384, 108128, 113360, 121024, 122915, 126880, 128960, 132980, 135160, 151280, 172874, 175708, 196664, 206119, 212768, 216256, 219635, 226720, 245830, 253760, 265960, 270320, 302560, 345748, 351416, 393328, 412238, 425536, 432185, 439270, 453440, 491660, 531920, 540640, 605120, 691496, 702832, 786656, 824476, 864370, 878540, 983320, 1030595, 1063840, 1081280, 1382992, 1405664, 1573312, 1648952, 1728740, 1757080, 1966640, 2061190, 2127680, 2679547, 2765984, 2811328, 3297904, 3457480, 3514160, 3933280, 4122380, 5359094, 5531968, 6595808, 6914960, 7028320, 7866560, 8244760, 10718188, 13191616, 13397735, 13829920, 14056640, 16489520, 21436376, 26795470, 27659840, 32979040, 42872752, 53590940, 65958080, 85745504, 107181880, 171491008, 214363760, 428727520, 857455040]

約数ペア:

[(1, 857455040), (2, 428727520), (4, 214363760), (5, 171491008), (8, 107181880), (10, 85745504), (13, 65958080), (16, 53590940), (20, 42872752), (26, 32979040), (31, 27659840), (32, 26795470), (40, 21436376), (52, 16489520), (61, 14056640), (62, 13829920), (64, 13397735), (65, 13191616), (80, 10718188), (104, 8244760), (109, 7866560), (122, 7028320), (124, 6914960), (130, 6595808), (155, 5531968), (160, 5359094), (208, 4122380), (218, 3933280), (244, 3514160), (248, 3457480), (260, 3297904), (305, 2811328), (310, 2765984), (320, 2679547), (403, 2127680), (416, 2061190), (436, 1966640), (488, 1757080), (496, 1728740), (520, 1648952), (545, 1573312), (610, 1405664), (620, 1382992), (793, 1081280), (806, 1063840), (832, 1030595), (872, 983320), (976, 878540), (992, 864370), (1040, 824476), (1090, 786656), (1220, 702832), (1240, 691496), (1417, 605120), (1586, 540640), (1612, 531920), (1744, 491660), (1891, 453440), (1952, 439270), (1984, 432185), (2015, 425536), (2080, 412238), (2180, 393328), (2440, 351416), (2480, 345748), (2834, 302560), (3172, 270320), (3224, 265960), (3379, 253760), (3488, 245830), (3782, 226720), (3904, 219635), (3965, 216256), (4030, 212768), (4160, 206119), (4360, 196664), (4880, 175708), (4960, 172874), (5668, 151280), (6344, 135160), (6448, 132980), (6649, 128960), (6758, 126880), (6976, 122915), (7085, 121024), (7564, 113360), (7930, 108128), (8060, 106384), (8720, 98332), (9455, 90688), (9760, 87854), (9920, 86437), (11336, 75640), (12688, 67580), (12896, 66490), (13298, 64480), (13516, 63440), (14170, 60512), (15128, 56680), (15860, 54064), (16120, 53192), (16895, 50752), (17440, 49166), (18910, 45344), (19520, 43927), (22672, 37820), (24583, 34880), (25376, 33790), (25792, 33245), (26596, 32240), (27032, 31720), (28340, 30256)]