68827520

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 175301280

約数和(自身を除く): 106473760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 61, 64, 80, 82, 86, 122, 128, 160, 164, 172, 205, 215, 244, 305, 320, 328, 344, 410, 430, 488, 610, 640, 656, 688, 820, 860, 976, 1220, 1312, 1376, 1640, 1720, 1763, 1952, 2440, 2501, 2623, 2624, 2752, 3280, 3440, 3526, 3904, 4880, 5002, 5246, 5248, 5504, 6560, 6880, 7052, 7808, 8815, 9760, 10004, 10492, 12505, 13115, 13120, 13760, 14104, 17630, 19520, 20008, 20984, 25010, 26230, 26240, 27520, 28208, 35260, 39040, 40016, 41968, 50020, 52460, 56416, 70520, 80032, 83936, 100040, 104920, 107543, 112832, 141040, 160064, 167872, 200080, 209840, 215086, 225664, 282080, 320128, 335744, 400160, 419680, 430172, 537715, 564160, 800320, 839360, 860344, 1075430, 1128320, 1600640, 1678720, 1720688, 2150860, 3441376, 4301720, 6882752, 8603440, 13765504, 17206880, 34413760, 68827520]

約数ペア:

[(1, 68827520), (2, 34413760), (4, 17206880), (5, 13765504), (8, 8603440), (10, 6882752), (16, 4301720), (20, 3441376), (32, 2150860), (40, 1720688), (41, 1678720), (43, 1600640), (61, 1128320), (64, 1075430), (80, 860344), (82, 839360), (86, 800320), (122, 564160), (128, 537715), (160, 430172), (164, 419680), (172, 400160), (205, 335744), (215, 320128), (244, 282080), (305, 225664), (320, 215086), (328, 209840), (344, 200080), (410, 167872), (430, 160064), (488, 141040), (610, 112832), (640, 107543), (656, 104920), (688, 100040), (820, 83936), (860, 80032), (976, 70520), (1220, 56416), (1312, 52460), (1376, 50020), (1640, 41968), (1720, 40016), (1763, 39040), (1952, 35260), (2440, 28208), (2501, 27520), (2623, 26240), (2624, 26230), (2752, 25010), (3280, 20984), (3440, 20008), (3526, 19520), (3904, 17630), (4880, 14104), (5002, 13760), (5246, 13120), (5248, 13115), (5504, 12505), (6560, 10492), (6880, 10004), (7052, 9760), (7808, 8815)]