311282820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{29311}}^1$

素因数の和:29385

約数の個数: 72

約数和(自身を含む): 960261120

約数和(自身を除く): 648978300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 29311, 58622, 87933, 117244, 146555, 175866, 263799, 293110, 351732, 439665, 527598, 586220, 879330, 1055196, 1318995, 1729349, 1758660, 2637990, 3458698, 5188047, 5275980, 6917396, 8646745, 10376094, 15564141, 17293490, 20752188, 25940235, 31128282, 34586980, 51880470, 62256564, 77820705, 103760940, 155641410, 311282820]

約数ペア:

[(1, 311282820), (2, 155641410), (3, 103760940), (4, 77820705), (5, 62256564), (6, 51880470), (9, 34586980), (10, 31128282), (12, 25940235), (15, 20752188), (18, 17293490), (20, 15564141), (30, 10376094), (36, 8646745), (45, 6917396), (59, 5275980), (60, 5188047), (90, 3458698), (118, 2637990), (177, 1758660), (180, 1729349), (236, 1318995), (295, 1055196), (354, 879330), (531, 586220), (590, 527598), (708, 439665), (885, 351732), (1062, 293110), (1180, 263799), (1770, 175866), (2124, 146555), (2655, 117244), (3540, 87933), (5310, 58622), (10620, 29311)]