31083720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 93623040

約数和(自身を除く): 62539320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 601, 862, 1202, 1293, 1724, 1803, 2155, 2404, 2586, 3005, 3448, 3606, 4310, 4808, 5172, 6010, 6465, 7212, 8620, 9015, 10344, 12020, 12930, 14424, 17240, 18030, 24040, 25860, 36060, 51720, 72120, 259031, 518062, 777093, 1036124, 1295155, 1554186, 2072248, 2590310, 3108372, 3885465, 5180620, 6216744, 7770930, 10361240, 15541860, 31083720]

約数ペア:

[(1, 31083720), (2, 15541860), (3, 10361240), (4, 7770930), (5, 6216744), (6, 5180620), (8, 3885465), (10, 3108372), (12, 2590310), (15, 2072248), (20, 1554186), (24, 1295155), (30, 1036124), (40, 777093), (60, 518062), (120, 259031), (431, 72120), (601, 51720), (862, 36060), (1202, 25860), (1293, 24040), (1724, 18030), (1803, 17240), (2155, 14424), (2404, 12930), (2586, 12020), (3005, 10344), (3448, 9015), (3606, 8620), (4310, 7212), (4808, 6465), (5172, 6010)]