1261320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 3957120

約数和(自身を除く): 2695800

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, 457, 460, 552, 690, 914, 920, 1371, 1380, 1828, 2285, 2742, 2760, 3656, 4570, 5484, 6855, 9140, 10511, 10968, 13710, 18280, 21022, 27420, 31533, 42044, 52555, 54840, 63066, 84088, 105110, 126132, 157665, 210220, 252264, 315330, 420440, 630660, 1261320]

約数ペア:

[(1, 1261320), (2, 630660), (3, 420440), (4, 315330), (5, 252264), (6, 210220), (8, 157665), (10, 126132), (12, 105110), (15, 84088), (20, 63066), (23, 54840), (24, 52555), (30, 42044), (40, 31533), (46, 27420), (60, 21022), (69, 18280), (92, 13710), (115, 10968), (120, 10511), (138, 9140), (184, 6855), (230, 5484), (276, 4570), (345, 3656), (457, 2760), (460, 2742), (552, 2285), (690, 1828), (914, 1380), (920, 1371)]