287272080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{398989}}^1$

素因数の和:399008

約数の個数: 60

約数和(自身を含む): 964757820

約数和(自身を除く): 677485740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 398989, 797978, 1196967, 1595956, 1994945, 2393934, 3191912, 3590901, 3989890, 4787868, 5984835, 6383824, 7181802, 7979780, 9575736, 11969670, 14363604, 15959560, 17954505, 19151472, 23939340, 28727208, 31919120, 35909010, 47878680, 57454416, 71818020, 95757360, 143636040, 287272080]

約数ペア:

[(1, 287272080), (2, 143636040), (3, 95757360), (4, 71818020), (5, 57454416), (6, 47878680), (8, 35909010), (9, 31919120), (10, 28727208), (12, 23939340), (15, 19151472), (16, 17954505), (18, 15959560), (20, 14363604), (24, 11969670), (30, 9575736), (36, 7979780), (40, 7181802), (45, 6383824), (48, 5984835), (60, 4787868), (72, 3989890), (80, 3590901), (90, 3191912), (120, 2393934), (144, 1994945), (180, 1595956), (240, 1196967), (360, 797978), (720, 398989)]