205144080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1237}}^1$

素因数の和:1944

約数の個数: 80

約数和(自身を含む): 637381824

約数和(自身を除く): 432237744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 691, 1237, 1382, 2073, 2474, 2764, 3455, 3711, 4146, 4948, 5528, 6185, 6910, 7422, 8292, 9896, 10365, 11056, 12370, 13820, 14844, 16584, 18555, 19792, 20730, 24740, 27640, 29688, 33168, 37110, 41460, 49480, 55280, 59376, 74220, 82920, 98960, 148440, 165840, 296880, 854767, 1709534, 2564301, 3419068, 4273835, 5128602, 6838136, 8547670, 10257204, 12821505, 13676272, 17095340, 20514408, 25643010, 34190680, 41028816, 51286020, 68381360, 102572040, 205144080]

約数ペア:

[(1, 205144080), (2, 102572040), (3, 68381360), (4, 51286020), (5, 41028816), (6, 34190680), (8, 25643010), (10, 20514408), (12, 17095340), (15, 13676272), (16, 12821505), (20, 10257204), (24, 8547670), (30, 6838136), (40, 5128602), (48, 4273835), (60, 3419068), (80, 2564301), (120, 1709534), (240, 854767), (691, 296880), (1237, 165840), (1382, 148440), (2073, 98960), (2474, 82920), (2764, 74220), (3455, 59376), (3711, 55280), (4146, 49480), (4948, 41460), (5528, 37110), (6185, 33168), (6910, 29688), (7422, 27640), (8292, 24740), (9896, 20730), (10365, 19792), (11056, 18555), (12370, 16584), (13820, 14844)]