215601720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1381}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 647771040

約数和(自身を除く): 432169320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1301, 1381, 2602, 2762, 3903, 4143, 5204, 5524, 6505, 6905, 7806, 8286, 10408, 11048, 13010, 13810, 15612, 16572, 19515, 20715, 26020, 27620, 31224, 33144, 39030, 41430, 52040, 55240, 78060, 82860, 156120, 165720, 1796681, 3593362, 5390043, 7186724, 8983405, 10780086, 14373448, 17966810, 21560172, 26950215, 35933620, 43120344, 53900430, 71867240, 107800860, 215601720]

約数ペア:

[(1, 215601720), (2, 107800860), (3, 71867240), (4, 53900430), (5, 43120344), (6, 35933620), (8, 26950215), (10, 21560172), (12, 17966810), (15, 14373448), (20, 10780086), (24, 8983405), (30, 7186724), (40, 5390043), (60, 3593362), (120, 1796681), (1301, 165720), (1381, 156120), (2602, 82860), (2762, 78060), (3903, 55240), (4143, 52040), (5204, 41430), (5524, 39030), (6505, 33144), (6905, 31224), (7806, 27620), (8286, 26020), (10408, 20715), (11048, 19515), (13010, 16572), (13810, 15612)]