28441080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 93132000

約数和(自身を除く): 64690920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 397, 398, 597, 794, 796, 995, 1191, 1194, 1588, 1592, 1791, 1985, 1990, 2382, 2388, 2985, 3176, 3573, 3582, 3970, 3980, 4764, 4776, 5955, 5970, 7146, 7164, 7940, 7960, 8955, 9528, 11910, 11940, 14292, 14328, 15880, 17865, 17910, 23820, 23880, 28584, 35730, 35820, 47640, 71460, 71640, 79003, 142920, 158006, 237009, 316012, 395015, 474018, 632024, 711027, 790030, 948036, 1185045, 1422054, 1580060, 1896072, 2370090, 2844108, 3160120, 3555135, 4740180, 5688216, 7110270, 9480360, 14220540, 28441080]

約数ペア:

[(1, 28441080), (2, 14220540), (3, 9480360), (4, 7110270), (5, 5688216), (6, 4740180), (8, 3555135), (9, 3160120), (10, 2844108), (12, 2370090), (15, 1896072), (18, 1580060), (20, 1422054), (24, 1185045), (30, 948036), (36, 790030), (40, 711027), (45, 632024), (60, 474018), (72, 395015), (90, 316012), (120, 237009), (180, 158006), (199, 142920), (360, 79003), (397, 71640), (398, 71460), (597, 47640), (794, 35820), (796, 35730), (995, 28584), (1191, 23880), (1194, 23820), (1588, 17910), (1592, 17865), (1791, 15880), (1985, 14328), (1990, 14292), (2382, 11940), (2388, 11910), (2985, 9528), (3176, 8955), (3573, 7960), (3582, 7940), (3970, 7164), (3980, 7146), (4764, 5970), (4776, 5955)]