128627640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1277

約数の個数: 96

約数和(自身を含む): 419515200

約数和(自身を除く): 290887560

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, 360, 431, 829, 862, 1293, 1658, 1724, 2155, 2487, 2586, 3316, 3448, 3879, 4145, 4310, 4974, 5172, 6465, 6632, 7461, 7758, 8290, 8620, 9948, 10344, 12435, 12930, 14922, 15516, 16580, 17240, 19395, 19896, 24870, 25860, 29844, 31032, 33160, 37305, 38790, 49740, 51720, 59688, 74610, 77580, 99480, 149220, 155160, 298440, 357299, 714598, 1071897, 1429196, 1786495, 2143794, 2858392, 3215691, 3572990, 4287588, 5359485, 6431382, 7145980, 8575176, 10718970, 12862764, 14291960, 16078455, 21437940, 25725528, 32156910, 42875880, 64313820, 128627640]

約数ペア:

[(1, 128627640), (2, 64313820), (3, 42875880), (4, 32156910), (5, 25725528), (6, 21437940), (8, 16078455), (9, 14291960), (10, 12862764), (12, 10718970), (15, 8575176), (18, 7145980), (20, 6431382), (24, 5359485), (30, 4287588), (36, 3572990), (40, 3215691), (45, 2858392), (60, 2143794), (72, 1786495), (90, 1429196), (120, 1071897), (180, 714598), (360, 357299), (431, 298440), (829, 155160), (862, 149220), (1293, 99480), (1658, 77580), (1724, 74610), (2155, 59688), (2487, 51720), (2586, 49740), (3316, 38790), (3448, 37305), (3879, 33160), (4145, 31032), (4310, 29844), (4974, 25860), (5172, 24870), (6465, 19896), (6632, 19395), (7461, 17240), (7758, 16580), (8290, 15516), (8620, 14922), (9948, 12930), (10344, 12435)]