129638040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1161

約数の個数: 128

約数和(自身を含む): 447759360

約数和(自身を除く): 318121320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 983, 1099, 1256, 1570, 1884, 1966, 2198, 2355, 2949, 3140, 3297, 3768, 3932, 4396, 4710, 4915, 5495, 5898, 6280, 6594, 6881, 7864, 8792, 9420, 9830, 10990, 11796, 13188, 13762, 14745, 16485, 18840, 19660, 20643, 21980, 23592, 26376, 27524, 29490, 32970, 34405, 39320, 41286, 43960, 55048, 58980, 65940, 68810, 82572, 103215, 117960, 131880, 137620, 154331, 165144, 206430, 275240, 308662, 412860, 462993, 617324, 771655, 825720, 925986, 1080317, 1234648, 1543310, 1851972, 2160634, 2314965, 3086620, 3240951, 3703944, 4321268, 4629930, 5401585, 6173240, 6481902, 8642536, 9259860, 10803170, 12963804, 16204755, 18519720, 21606340, 25927608, 32409510, 43212680, 64819020, 129638040]

約数ペア:

[(1, 129638040), (2, 64819020), (3, 43212680), (4, 32409510), (5, 25927608), (6, 21606340), (7, 18519720), (8, 16204755), (10, 12963804), (12, 10803170), (14, 9259860), (15, 8642536), (20, 6481902), (21, 6173240), (24, 5401585), (28, 4629930), (30, 4321268), (35, 3703944), (40, 3240951), (42, 3086620), (56, 2314965), (60, 2160634), (70, 1851972), (84, 1543310), (105, 1234648), (120, 1080317), (140, 925986), (157, 825720), (168, 771655), (210, 617324), (280, 462993), (314, 412860), (420, 308662), (471, 275240), (628, 206430), (785, 165144), (840, 154331), (942, 137620), (983, 131880), (1099, 117960), (1256, 103215), (1570, 82572), (1884, 68810), (1966, 65940), (2198, 58980), (2355, 55048), (2949, 43960), (3140, 41286), (3297, 39320), (3768, 34405), (3932, 32970), (4396, 29490), (4710, 27524), (4915, 26376), (5495, 23592), (5898, 21980), (6280, 20643), (6594, 19660), (6881, 18840), (7864, 16485), (8792, 14745), (9420, 13762), (9830, 13188), (10990, 11796)]