128443680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:679

約数の個数: 144

約数和(自身を含む): 441552384

約数和(自身を除く): 313108704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 191, 240, 288, 360, 382, 467, 480, 573, 720, 764, 934, 955, 1146, 1401, 1440, 1528, 1719, 1868, 1910, 2292, 2335, 2802, 2865, 3056, 3438, 3736, 3820, 4203, 4584, 4670, 5604, 5730, 6112, 6876, 7005, 7472, 7640, 8406, 8595, 9168, 9340, 11208, 11460, 13752, 14010, 14944, 15280, 16812, 17190, 18336, 18680, 21015, 22416, 22920, 27504, 28020, 30560, 33624, 34380, 37360, 42030, 44832, 45840, 55008, 56040, 67248, 68760, 74720, 84060, 89197, 91680, 112080, 134496, 137520, 168120, 178394, 224160, 267591, 275040, 336240, 356788, 445985, 535182, 672480, 713576, 802773, 891970, 1070364, 1337955, 1427152, 1605546, 1783940, 2140728, 2675910, 2854304, 3211092, 3567880, 4013865, 4281456, 5351820, 6422184, 7135760, 8027730, 8562912, 10703640, 12844368, 14271520, 16055460, 21407280, 25688736, 32110920, 42814560, 64221840, 128443680]

約数ペア:

[(1, 128443680), (2, 64221840), (3, 42814560), (4, 32110920), (5, 25688736), (6, 21407280), (8, 16055460), (9, 14271520), (10, 12844368), (12, 10703640), (15, 8562912), (16, 8027730), (18, 7135760), (20, 6422184), (24, 5351820), (30, 4281456), (32, 4013865), (36, 3567880), (40, 3211092), (45, 2854304), (48, 2675910), (60, 2140728), (72, 1783940), (80, 1605546), (90, 1427152), (96, 1337955), (120, 1070364), (144, 891970), (160, 802773), (180, 713576), (191, 672480), (240, 535182), (288, 445985), (360, 356788), (382, 336240), (467, 275040), (480, 267591), (573, 224160), (720, 178394), (764, 168120), (934, 137520), (955, 134496), (1146, 112080), (1401, 91680), (1440, 89197), (1528, 84060), (1719, 74720), (1868, 68760), (1910, 67248), (2292, 56040), (2335, 55008), (2802, 45840), (2865, 44832), (3056, 42030), (3438, 37360), (3736, 34380), (3820, 33624), (4203, 30560), (4584, 28020), (4670, 27504), (5604, 22920), (5730, 22416), (6112, 21015), (6876, 18680), (7005, 18336), (7472, 17190), (7640, 16812), (8406, 15280), (8595, 14944), (9168, 14010), (9340, 13752), (11208, 11460)]