128457720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1749

約数の個数: 96

約数和(自身を含む): 419515200

約数和(自身を除く): 291057480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 239, 360, 478, 717, 956, 1195, 1434, 1493, 1912, 2151, 2390, 2868, 2986, 3585, 4302, 4479, 4780, 5736, 5972, 7170, 7465, 8604, 8958, 9560, 10755, 11944, 13437, 14340, 14930, 17208, 17916, 21510, 22395, 26874, 28680, 29860, 35832, 43020, 44790, 53748, 59720, 67185, 86040, 89580, 107496, 134370, 179160, 268740, 356827, 537480, 713654, 1070481, 1427308, 1784135, 2140962, 2854616, 3211443, 3568270, 4281924, 5352405, 6422886, 7136540, 8563848, 10704810, 12845772, 14273080, 16057215, 21409620, 25691544, 32114430, 42819240, 64228860, 128457720]

約数ペア:

[(1, 128457720), (2, 64228860), (3, 42819240), (4, 32114430), (5, 25691544), (6, 21409620), (8, 16057215), (9, 14273080), (10, 12845772), (12, 10704810), (15, 8563848), (18, 7136540), (20, 6422886), (24, 5352405), (30, 4281924), (36, 3568270), (40, 3211443), (45, 2854616), (60, 2140962), (72, 1784135), (90, 1427308), (120, 1070481), (180, 713654), (239, 537480), (360, 356827), (478, 268740), (717, 179160), (956, 134370), (1195, 107496), (1434, 89580), (1493, 86040), (1912, 67185), (2151, 59720), (2390, 53748), (2868, 44790), (2986, 43020), (3585, 35832), (4302, 29860), (4479, 28680), (4780, 26874), (5736, 22395), (5972, 21510), (7170, 17916), (7465, 17208), (8604, 14930), (8958, 14340), (9560, 13437), (10755, 11944)]