217241040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{905171}}^1$

素因数の和:905187

約数の個数: 40

約数和(自身を含む): 673447968

約数和(自身を除く): 456206928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 905171, 1810342, 2715513, 3620684, 4525855, 5431026, 7241368, 9051710, 10862052, 13577565, 14482736, 18103420, 21724104, 27155130, 36206840, 43448208, 54310260, 72413680, 108620520, 217241040]

約数ペア:

[(1, 217241040), (2, 108620520), (3, 72413680), (4, 54310260), (5, 43448208), (6, 36206840), (8, 27155130), (10, 21724104), (12, 18103420), (15, 14482736), (16, 13577565), (20, 10862052), (24, 9051710), (30, 7241368), (40, 5431026), (48, 4525855), (60, 3620684), (80, 2715513), (120, 1810342), (240, 905171)]