221646060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2857}}^1$

素因数の和:3303

約数の個数: 72

約数和(自身を含む): 674122176

約数和(自身を除く): 452476116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2586, 2857, 3879, 4310, 5172, 5714, 6465, 7758, 8571, 8620, 11428, 12930, 14285, 15516, 17142, 19395, 25713, 25860, 28570, 34284, 38790, 42855, 51426, 57140, 77580, 85710, 102852, 128565, 171420, 257130, 514260, 1231367, 2462734, 3694101, 4925468, 6156835, 7388202, 11082303, 12313670, 14776404, 18470505, 22164606, 24627340, 36941010, 44329212, 55411515, 73882020, 110823030, 221646060]

約数ペア:

[(1, 221646060), (2, 110823030), (3, 73882020), (4, 55411515), (5, 44329212), (6, 36941010), (9, 24627340), (10, 22164606), (12, 18470505), (15, 14776404), (18, 12313670), (20, 11082303), (30, 7388202), (36, 6156835), (45, 4925468), (60, 3694101), (90, 2462734), (180, 1231367), (431, 514260), (862, 257130), (1293, 171420), (1724, 128565), (2155, 102852), (2586, 85710), (2857, 77580), (3879, 57140), (4310, 51426), (5172, 42855), (5714, 38790), (6465, 34284), (7758, 28570), (8571, 25860), (8620, 25713), (11428, 19395), (12930, 17142), (14285, 15516)]