668712720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16487}}^1$

素因数の和:16529

約数の個数: 120

約数和(自身を含む): 2244874176

約数和(自身を除く): 1576161456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 16487, 20280, 32974, 40560, 49461, 65948, 82435, 98922, 131896, 164870, 197844, 214331, 247305, 263792, 329740, 395688, 428662, 494610, 642993, 659480, 791376, 857324, 989220, 1071655, 1285986, 1318960, 1714648, 1978440, 2143310, 2571972, 2786303, 3214965, 3429296, 3956880, 4286620, 5143944, 5572606, 6429930, 8358909, 8573240, 10287888, 11145212, 12859860, 13931515, 16717818, 17146480, 22290424, 25719720, 27863030, 33435636, 41794545, 44580848, 51439440, 55726060, 66871272, 83589090, 111452120, 133742544, 167178180, 222904240, 334356360, 668712720]

約数ペア:

[(1, 668712720), (2, 334356360), (3, 222904240), (4, 167178180), (5, 133742544), (6, 111452120), (8, 83589090), (10, 66871272), (12, 55726060), (13, 51439440), (15, 44580848), (16, 41794545), (20, 33435636), (24, 27863030), (26, 25719720), (30, 22290424), (39, 17146480), (40, 16717818), (48, 13931515), (52, 12859860), (60, 11145212), (65, 10287888), (78, 8573240), (80, 8358909), (104, 6429930), (120, 5572606), (130, 5143944), (156, 4286620), (169, 3956880), (195, 3429296), (208, 3214965), (240, 2786303), (260, 2571972), (312, 2143310), (338, 1978440), (390, 1714648), (507, 1318960), (520, 1285986), (624, 1071655), (676, 989220), (780, 857324), (845, 791376), (1014, 659480), (1040, 642993), (1352, 494610), (1560, 428662), (1690, 395688), (2028, 329740), (2535, 263792), (2704, 247305), (3120, 214331), (3380, 197844), (4056, 164870), (5070, 131896), (6760, 98922), (8112, 82435), (10140, 65948), (13520, 49461), (16487, 40560), (20280, 32974)]