1239240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 3888000

約数和(自身を除く): 2648760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 449, 460, 552, 690, 898, 920, 1347, 1380, 1796, 2245, 2694, 2760, 3592, 4490, 5388, 6735, 8980, 10327, 10776, 13470, 17960, 20654, 26940, 30981, 41308, 51635, 53880, 61962, 82616, 103270, 123924, 154905, 206540, 247848, 309810, 413080, 619620, 1239240]

約数ペア:

[(1, 1239240), (2, 619620), (3, 413080), (4, 309810), (5, 247848), (6, 206540), (8, 154905), (10, 123924), (12, 103270), (15, 82616), (20, 61962), (23, 53880), (24, 51635), (30, 41308), (40, 30981), (46, 26940), (60, 20654), (69, 17960), (92, 13470), (115, 10776), (120, 10327), (138, 8980), (184, 6735), (230, 5388), (276, 4490), (345, 3592), (449, 2760), (460, 2694), (552, 2245), (690, 1796), (898, 1380), (920, 1347)]