128183280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1373}}^1$

素因数の和:1778

約数の個数: 80

約数和(自身を含む): 398679840

約数和(自身を除く): 270496560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1373, 1556, 1945, 2334, 2746, 3112, 3890, 4119, 4668, 5492, 5835, 6224, 6865, 7780, 8238, 9336, 10984, 11670, 13730, 15560, 16476, 18672, 20595, 21968, 23340, 27460, 31120, 32952, 41190, 46680, 54920, 65904, 82380, 93360, 109840, 164760, 329520, 534097, 1068194, 1602291, 2136388, 2670485, 3204582, 4272776, 5340970, 6409164, 8011455, 8545552, 10681940, 12818328, 16022910, 21363880, 25636656, 32045820, 42727760, 64091640, 128183280]

約数ペア:

[(1, 128183280), (2, 64091640), (3, 42727760), (4, 32045820), (5, 25636656), (6, 21363880), (8, 16022910), (10, 12818328), (12, 10681940), (15, 8545552), (16, 8011455), (20, 6409164), (24, 5340970), (30, 4272776), (40, 3204582), (48, 2670485), (60, 2136388), (80, 1602291), (120, 1068194), (240, 534097), (389, 329520), (778, 164760), (1167, 109840), (1373, 93360), (1556, 82380), (1945, 65904), (2334, 54920), (2746, 46680), (3112, 41190), (3890, 32952), (4119, 31120), (4668, 27460), (5492, 23340), (5835, 21968), (6224, 20595), (6865, 18672), (7780, 16476), (8238, 15560), (9336, 13730), (10984, 11670)]