128645040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17291}}^1$

素因数の和:17338

約数の個数: 80

約数和(自身を含む): 411687936

約数和(自身を除く): 283042896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 17291, 34582, 51873, 69164, 86455, 103746, 138328, 172910, 207492, 259365, 276656, 345820, 414984, 518730, 536021, 691640, 829968, 1037460, 1072042, 1383280, 1608063, 2074920, 2144084, 2680105, 3216126, 4149840, 4288168, 5360210, 6432252, 8040315, 8576336, 10720420, 12864504, 16080630, 21440840, 25729008, 32161260, 42881680, 64322520, 128645040]

約数ペア:

[(1, 128645040), (2, 64322520), (3, 42881680), (4, 32161260), (5, 25729008), (6, 21440840), (8, 16080630), (10, 12864504), (12, 10720420), (15, 8576336), (16, 8040315), (20, 6432252), (24, 5360210), (30, 4288168), (31, 4149840), (40, 3216126), (48, 2680105), (60, 2144084), (62, 2074920), (80, 1608063), (93, 1383280), (120, 1072042), (124, 1037460), (155, 829968), (186, 691640), (240, 536021), (248, 518730), (310, 414984), (372, 345820), (465, 276656), (496, 259365), (620, 207492), (744, 172910), (930, 138328), (1240, 103746), (1488, 86455), (1860, 69164), (2480, 51873), (3720, 34582), (7440, 17291)]