686475480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{248723}}^1$

素因数の和:248760

約数の個数: 64

約数和(自身を含む): 2148975360

約数和(自身を除く): 1462499880

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, 460, 552, 690, 920, 1380, 2760, 248723, 497446, 746169, 994892, 1243615, 1492338, 1989784, 2487230, 2984676, 3730845, 4974460, 5720629, 5969352, 7461690, 9948920, 11441258, 14923380, 17161887, 22882516, 28603145, 29846760, 34323774, 45765032, 57206290, 68647548, 85809435, 114412580, 137295096, 171618870, 228825160, 343237740, 686475480]

約数ペア:

[(1, 686475480), (2, 343237740), (3, 228825160), (4, 171618870), (5, 137295096), (6, 114412580), (8, 85809435), (10, 68647548), (12, 57206290), (15, 45765032), (20, 34323774), (23, 29846760), (24, 28603145), (30, 22882516), (40, 17161887), (46, 14923380), (60, 11441258), (69, 9948920), (92, 7461690), (115, 5969352), (120, 5720629), (138, 4974460), (184, 3730845), (230, 2984676), (276, 2487230), (345, 1989784), (460, 1492338), (552, 1243615), (690, 994892), (920, 746169), (1380, 497446), (2760, 248723)]