320942520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{297169}}^1$

素因数の和:297189

約数の個数: 64

約数和(自身を含む): 1069812000

約数和(自身を除く): 748869480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 297169, 594338, 891507, 1188676, 1485845, 1783014, 2377352, 2674521, 2971690, 3566028, 4457535, 5349042, 5943380, 7132056, 8023563, 8915070, 10698084, 11886760, 13372605, 16047126, 17830140, 21396168, 26745210, 32094252, 35660280, 40117815, 53490420, 64188504, 80235630, 106980840, 160471260, 320942520]

約数ペア:

[(1, 320942520), (2, 160471260), (3, 106980840), (4, 80235630), (5, 64188504), (6, 53490420), (8, 40117815), (9, 35660280), (10, 32094252), (12, 26745210), (15, 21396168), (18, 17830140), (20, 16047126), (24, 13372605), (27, 11886760), (30, 10698084), (36, 8915070), (40, 8023563), (45, 7132056), (54, 5943380), (60, 5349042), (72, 4457535), (90, 3566028), (108, 2971690), (120, 2674521), (135, 2377352), (180, 1783014), (216, 1485845), (270, 1188676), (360, 891507), (540, 594338), (1080, 297169)]