320545908

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:4013

約数の個数: 72

約数和(自身を含む): 844972128

約数和(自身を除く): 524426220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 2279, 3907, 4558, 6837, 7814, 9116, 11721, 13674, 15628, 20511, 23442, 27348, 35163, 41022, 46884, 70326, 82044, 140652, 168001, 207071, 336002, 414142, 504003, 621213, 672004, 828284, 1008006, 1242426, 1512009, 1863639, 2016012, 2484852, 3024018, 3727278, 6048036, 7454556, 8904053, 17808106, 26712159, 35616212, 53424318, 80136477, 106848636, 160272954, 320545908]

約数ペア:

[(1, 320545908), (2, 160272954), (3, 106848636), (4, 80136477), (6, 53424318), (9, 35616212), (12, 26712159), (18, 17808106), (36, 8904053), (43, 7454556), (53, 6048036), (86, 3727278), (106, 3024018), (129, 2484852), (159, 2016012), (172, 1863639), (212, 1512009), (258, 1242426), (318, 1008006), (387, 828284), (477, 672004), (516, 621213), (636, 504003), (774, 414142), (954, 336002), (1548, 207071), (1908, 168001), (2279, 140652), (3907, 82044), (4558, 70326), (6837, 46884), (7814, 41022), (9116, 35163), (11721, 27348), (13674, 23442), (15628, 20511)]