220816080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306689}}^1$

素因数の和:306708

約数の個数: 60

約数和(自身を含む): 741576420

約数和(自身を除く): 520760340

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, 306689, 613378, 920067, 1226756, 1533445, 1840134, 2453512, 2760201, 3066890, 3680268, 4600335, 4907024, 5520402, 6133780, 7360536, 9200670, 11040804, 12267560, 13801005, 14721072, 18401340, 22081608, 24535120, 27602010, 36802680, 44163216, 55204020, 73605360, 110408040, 220816080]

約数ペア:

[(1, 220816080), (2, 110408040), (3, 73605360), (4, 55204020), (5, 44163216), (6, 36802680), (8, 27602010), (9, 24535120), (10, 22081608), (12, 18401340), (15, 14721072), (16, 13801005), (18, 12267560), (20, 11040804), (24, 9200670), (30, 7360536), (36, 6133780), (40, 5520402), (45, 4907024), (48, 4600335), (60, 3680268), (72, 3066890), (80, 2760201), (90, 2453512), (120, 1840134), (144, 1533445), (180, 1226756), (240, 920067), (360, 613378), (720, 306689)]