30940520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 79056000

約数和(自身を除く): 48115480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 169, 184, 199, 230, 260, 299, 338, 398, 460, 520, 598, 676, 796, 845, 920, 995, 1196, 1352, 1495, 1592, 1690, 1990, 2392, 2587, 2990, 3380, 3887, 3980, 4577, 5174, 5980, 6760, 7774, 7960, 9154, 10348, 11960, 12935, 15548, 18308, 19435, 20696, 22885, 25870, 31096, 33631, 36616, 38870, 45770, 51740, 59501, 67262, 77740, 91540, 103480, 119002, 134524, 155480, 168155, 183080, 238004, 269048, 297505, 336310, 476008, 595010, 672620, 773513, 1190020, 1345240, 1547026, 2380040, 3094052, 3867565, 6188104, 7735130, 15470260, 30940520]

約数ペア:

[(1, 30940520), (2, 15470260), (4, 7735130), (5, 6188104), (8, 3867565), (10, 3094052), (13, 2380040), (20, 1547026), (23, 1345240), (26, 1190020), (40, 773513), (46, 672620), (52, 595010), (65, 476008), (92, 336310), (104, 297505), (115, 269048), (130, 238004), (169, 183080), (184, 168155), (199, 155480), (230, 134524), (260, 119002), (299, 103480), (338, 91540), (398, 77740), (460, 67262), (520, 59501), (598, 51740), (676, 45770), (796, 38870), (845, 36616), (920, 33631), (995, 31096), (1196, 25870), (1352, 22885), (1495, 20696), (1592, 19435), (1690, 18308), (1990, 15548), (2392, 12935), (2587, 11960), (2990, 10348), (3380, 9154), (3887, 7960), (3980, 7774), (4577, 6760), (5174, 5980)]