218264580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4831}}^1$

素因数の和:5097

約数の個数: 72

約数和(自身を含む): 664844544

約数和(自身を除く): 446579964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 4831, 5020, 7530, 9036, 9662, 11295, 14493, 15060, 19324, 22590, 24155, 28986, 43479, 45180, 48310, 57972, 72465, 86958, 96620, 144930, 173916, 217395, 289860, 434790, 869580, 1212581, 2425162, 3637743, 4850324, 6062905, 7275486, 10913229, 12125810, 14550972, 18188715, 21826458, 24251620, 36377430, 43652916, 54566145, 72754860, 109132290, 218264580]

約数ペア:

[(1, 218264580), (2, 109132290), (3, 72754860), (4, 54566145), (5, 43652916), (6, 36377430), (9, 24251620), (10, 21826458), (12, 18188715), (15, 14550972), (18, 12125810), (20, 10913229), (30, 7275486), (36, 6062905), (45, 4850324), (60, 3637743), (90, 2425162), (180, 1212581), (251, 869580), (502, 434790), (753, 289860), (1004, 217395), (1255, 173916), (1506, 144930), (2259, 96620), (2510, 86958), (3012, 72465), (3765, 57972), (4518, 48310), (4831, 45180), (5020, 43479), (7530, 28986), (9036, 24155), (9662, 22590), (11295, 19324), (14493, 15060)]