65287920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1582

約数の個数: 80

約数和(自身を含む): 203558400

約数和(自身を除く): 138270480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1367, 1592, 1990, 2388, 2734, 2985, 3184, 3980, 4101, 4776, 5468, 5970, 6835, 7960, 8202, 9552, 10936, 11940, 13670, 15920, 16404, 20505, 21872, 23880, 27340, 32808, 41010, 47760, 54680, 65616, 82020, 109360, 164040, 272033, 328080, 544066, 816099, 1088132, 1360165, 1632198, 2176264, 2720330, 3264396, 4080495, 4352528, 5440660, 6528792, 8160990, 10881320, 13057584, 16321980, 21762640, 32643960, 65287920]

約数ペア:

[(1, 65287920), (2, 32643960), (3, 21762640), (4, 16321980), (5, 13057584), (6, 10881320), (8, 8160990), (10, 6528792), (12, 5440660), (15, 4352528), (16, 4080495), (20, 3264396), (24, 2720330), (30, 2176264), (40, 1632198), (48, 1360165), (60, 1088132), (80, 816099), (120, 544066), (199, 328080), (240, 272033), (398, 164040), (597, 109360), (796, 82020), (995, 65616), (1194, 54680), (1367, 47760), (1592, 41010), (1990, 32808), (2388, 27340), (2734, 23880), (2985, 21872), (3184, 20505), (3980, 16404), (4101, 15920), (4776, 13670), (5468, 11940), (5970, 10936), (6835, 9552), (7960, 8202)]