220466640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4663}}^1$

素因数の和:4876

約数の個数: 80

約数和(自身を含む): 687063168

約数和(自身を除く): 466596528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4663, 4728, 5910, 7880, 9326, 9456, 11820, 13989, 15760, 18652, 23315, 23640, 27978, 37304, 46630, 47280, 55956, 69945, 74608, 93260, 111912, 139890, 186520, 223824, 279780, 373040, 559560, 918611, 1119120, 1837222, 2755833, 3674444, 4593055, 5511666, 7348888, 9186110, 11023332, 13779165, 14697776, 18372220, 22046664, 27558330, 36744440, 44093328, 55116660, 73488880, 110233320, 220466640]

約数ペア:

[(1, 220466640), (2, 110233320), (3, 73488880), (4, 55116660), (5, 44093328), (6, 36744440), (8, 27558330), (10, 22046664), (12, 18372220), (15, 14697776), (16, 13779165), (20, 11023332), (24, 9186110), (30, 7348888), (40, 5511666), (48, 4593055), (60, 3674444), (80, 2755833), (120, 1837222), (197, 1119120), (240, 918611), (394, 559560), (591, 373040), (788, 279780), (985, 223824), (1182, 186520), (1576, 139890), (1970, 111912), (2364, 93260), (2955, 74608), (3152, 69945), (3940, 55956), (4663, 47280), (4728, 46630), (5910, 37304), (7880, 27978), (9326, 23640), (9456, 23315), (11820, 18652), (13989, 15760)]