90386784

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2172

約数の個数: 72

約数和(自身を含む): 258804000

約数和(自身を除く): 168417216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 471, 628, 942, 1256, 1413, 1884, 1999, 2512, 2826, 3768, 3998, 5024, 5652, 5997, 7536, 7996, 11304, 11994, 15072, 15992, 17991, 22608, 23988, 31984, 35982, 45216, 47976, 63968, 71964, 95952, 143928, 191904, 287856, 313843, 575712, 627686, 941529, 1255372, 1883058, 2510744, 2824587, 3766116, 5021488, 5649174, 7532232, 10042976, 11298348, 15064464, 22596696, 30128928, 45193392, 90386784]

約数ペア:

[(1, 90386784), (2, 45193392), (3, 30128928), (4, 22596696), (6, 15064464), (8, 11298348), (9, 10042976), (12, 7532232), (16, 5649174), (18, 5021488), (24, 3766116), (32, 2824587), (36, 2510744), (48, 1883058), (72, 1255372), (96, 941529), (144, 627686), (157, 575712), (288, 313843), (314, 287856), (471, 191904), (628, 143928), (942, 95952), (1256, 71964), (1413, 63968), (1884, 47976), (1999, 45216), (2512, 35982), (2826, 31984), (3768, 23988), (3998, 22608), (5024, 17991), (5652, 15992), (5997, 15072), (7536, 11994), (7996, 11304)]