209273040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290657}}^1$

素因数の和:290676

約数の個数: 60

約数和(自身を含む): 702811044

約数和(自身を除く): 493538004

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, 290657, 581314, 871971, 1162628, 1453285, 1743942, 2325256, 2615913, 2906570, 3487884, 4359855, 4650512, 5231826, 5813140, 6975768, 8719710, 10463652, 11626280, 13079565, 13951536, 17439420, 20927304, 23252560, 26159130, 34878840, 41854608, 52318260, 69757680, 104636520, 209273040]

約数ペア:

[(1, 209273040), (2, 104636520), (3, 69757680), (4, 52318260), (5, 41854608), (6, 34878840), (8, 26159130), (9, 23252560), (10, 20927304), (12, 17439420), (15, 13951536), (16, 13079565), (18, 11626280), (20, 10463652), (24, 8719710), (30, 6975768), (36, 5813140), (40, 5231826), (45, 4650512), (48, 4359855), (60, 3487884), (72, 2906570), (80, 2615913), (90, 2325256), (120, 1743942), (144, 1453285), (180, 1162628), (240, 871971), (360, 581314), (720, 290657)]