121515000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{8101}}^1$

素因数の和:8130

約数の個数: 80

約数和(自身を含む): 379659720

約数和(自身を除く): 258144720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 8101, 15000, 16202, 24303, 32404, 40505, 48606, 64808, 81010, 97212, 121515, 162020, 194424, 202525, 243030, 324040, 405050, 486060, 607575, 810100, 972120, 1012625, 1215150, 1620200, 2025250, 2430300, 3037875, 4050500, 4860600, 5063125, 6075750, 8101000, 10126250, 12151500, 15189375, 20252500, 24303000, 30378750, 40505000, 60757500, 121515000]

約数ペア:

[(1, 121515000), (2, 60757500), (3, 40505000), (4, 30378750), (5, 24303000), (6, 20252500), (8, 15189375), (10, 12151500), (12, 10126250), (15, 8101000), (20, 6075750), (24, 5063125), (25, 4860600), (30, 4050500), (40, 3037875), (50, 2430300), (60, 2025250), (75, 1620200), (100, 1215150), (120, 1012625), (125, 972120), (150, 810100), (200, 607575), (250, 486060), (300, 405050), (375, 324040), (500, 243030), (600, 202525), (625, 194424), (750, 162020), (1000, 121515), (1250, 97212), (1500, 81010), (1875, 64808), (2500, 48606), (3000, 40505), (3750, 32404), (5000, 24303), (7500, 16202), (8101, 15000)]