51254640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 160

約数和(自身を含む): 179899200

約数和(自身を除く): 128644560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 389, 432, 488, 540, 549, 610, 720, 732, 778, 915, 976, 1080, 1098, 1167, 1220, 1464, 1556, 1647, 1830, 1945, 2160, 2196, 2334, 2440, 2745, 2928, 3112, 3294, 3501, 3660, 3890, 4392, 4668, 4880, 5490, 5835, 6224, 6588, 7002, 7320, 7780, 8235, 8784, 9336, 10503, 10980, 11670, 13176, 14004, 14640, 15560, 16470, 17505, 18672, 21006, 21960, 23340, 23729, 26352, 28008, 31120, 32940, 35010, 42012, 43920, 46680, 47458, 52515, 56016, 65880, 70020, 71187, 84024, 93360, 94916, 105030, 118645, 131760, 140040, 142374, 168048, 189832, 210060, 213561, 237290, 280080, 284748, 355935, 379664, 420120, 427122, 474580, 569496, 640683, 711870, 840240, 854244, 949160, 1067805, 1138992, 1281366, 1423740, 1708488, 1898320, 2135610, 2562732, 2847480, 3203415, 3416976, 4271220, 5125464, 5694960, 6406830, 8542440, 10250928, 12813660, 17084880, 25627320, 51254640]

約数ペア:

[(1, 51254640), (2, 25627320), (3, 17084880), (4, 12813660), (5, 10250928), (6, 8542440), (8, 6406830), (9, 5694960), (10, 5125464), (12, 4271220), (15, 3416976), (16, 3203415), (18, 2847480), (20, 2562732), (24, 2135610), (27, 1898320), (30, 1708488), (36, 1423740), (40, 1281366), (45, 1138992), (48, 1067805), (54, 949160), (60, 854244), (61, 840240), (72, 711870), (80, 640683), (90, 569496), (108, 474580), (120, 427122), (122, 420120), (135, 379664), (144, 355935), (180, 284748), (183, 280080), (216, 237290), (240, 213561), (244, 210060), (270, 189832), (305, 168048), (360, 142374), (366, 140040), (389, 131760), (432, 118645), (488, 105030), (540, 94916), (549, 93360), (610, 84024), (720, 71187), (732, 70020), (778, 65880), (915, 56016), (976, 52515), (1080, 47458), (1098, 46680), (1167, 43920), (1220, 42012), (1464, 35010), (1556, 32940), (1647, 31120), (1830, 28008), (1945, 26352), (2160, 23729), (2196, 23340), (2334, 21960), (2440, 21006), (2745, 18672), (2928, 17505), (3112, 16470), (3294, 15560), (3501, 14640), (3660, 14004), (3890, 13176), (4392, 11670), (4668, 10980), (4880, 10503), (5490, 9336), (5835, 8784), (6224, 8235), (6588, 7780), (7002, 7320)]