2665620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 8255520

約数和(自身を除く): 5589900

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, 251, 295, 354, 502, 531, 590, 708, 753, 885, 1004, 1062, 1180, 1255, 1506, 1770, 2124, 2259, 2510, 2655, 3012, 3540, 3765, 4518, 5020, 5310, 7530, 9036, 10620, 11295, 14809, 15060, 22590, 29618, 44427, 45180, 59236, 74045, 88854, 133281, 148090, 177708, 222135, 266562, 296180, 444270, 533124, 666405, 888540, 1332810, 2665620]

約数ペア:

[(1, 2665620), (2, 1332810), (3, 888540), (4, 666405), (5, 533124), (6, 444270), (9, 296180), (10, 266562), (12, 222135), (15, 177708), (18, 148090), (20, 133281), (30, 88854), (36, 74045), (45, 59236), (59, 45180), (60, 44427), (90, 29618), (118, 22590), (177, 15060), (180, 14809), (236, 11295), (251, 10620), (295, 9036), (354, 7530), (502, 5310), (531, 5020), (590, 4518), (708, 3765), (753, 3540), (885, 3012), (1004, 2655), (1062, 2510), (1180, 2259), (1255, 2124), (1506, 1770)]