280216080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389189}}^1$

素因数の和:389208

約数の個数: 60

約数和(自身を含む): 941061420

約数和(自身を除く): 660845340

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, 389189, 778378, 1167567, 1556756, 1945945, 2335134, 3113512, 3502701, 3891890, 4670268, 5837835, 6227024, 7005402, 7783780, 9340536, 11675670, 14010804, 15567560, 17513505, 18681072, 23351340, 28021608, 31135120, 35027010, 46702680, 56043216, 70054020, 93405360, 140108040, 280216080]

約数ペア:

[(1, 280216080), (2, 140108040), (3, 93405360), (4, 70054020), (5, 56043216), (6, 46702680), (8, 35027010), (9, 31135120), (10, 28021608), (12, 23351340), (15, 18681072), (16, 17513505), (18, 15567560), (20, 14010804), (24, 11675670), (30, 9340536), (36, 7783780), (40, 7005402), (45, 6227024), (48, 5837835), (60, 4670268), (72, 3891890), (80, 3502701), (90, 3113512), (120, 2335134), (144, 1945945), (180, 1556756), (240, 1167567), (360, 778378), (720, 389189)]