312851880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 192

約数和(自身を含む): 1117584000

約数和(自身を除く): 804732120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 199, 220, 264, 330, 360, 396, 397, 398, 440, 495, 597, 660, 792, 794, 796, 990, 995, 1191, 1194, 1320, 1588, 1592, 1791, 1980, 1985, 1990, 2189, 2382, 2388, 2985, 3176, 3573, 3582, 3960, 3970, 3980, 4367, 4378, 4764, 4776, 5955, 5970, 6567, 7146, 7164, 7940, 7960, 8734, 8756, 8955, 9528, 10945, 11910, 11940, 13101, 13134, 14292, 14328, 15880, 17468, 17512, 17865, 17910, 19701, 21835, 21890, 23820, 23880, 26202, 26268, 28584, 32835, 34936, 35730, 35820, 39303, 39402, 43670, 43780, 47640, 52404, 52536, 65505, 65670, 71460, 71640, 78606, 78804, 79003, 87340, 87560, 98505, 104808, 131010, 131340, 142920, 157212, 157608, 158006, 174680, 196515, 197010, 237009, 262020, 262680, 314424, 316012, 393030, 394020, 395015, 474018, 524040, 632024, 711027, 786060, 788040, 790030, 869033, 948036, 1185045, 1422054, 1572120, 1580060, 1738066, 1896072, 2370090, 2607099, 2844108, 3160120, 3476132, 3555135, 4345165, 4740180, 5214198, 5688216, 6952264, 7110270, 7821297, 8690330, 9480360, 10428396, 13035495, 14220540, 15642594, 17380660, 20856792, 26070990, 28441080, 31285188, 34761320, 39106485, 52141980, 62570376, 78212970, 104283960, 156425940, 312851880]

約数ペア:

[(1, 312851880), (2, 156425940), (3, 104283960), (4, 78212970), (5, 62570376), (6, 52141980), (8, 39106485), (9, 34761320), (10, 31285188), (11, 28441080), (12, 26070990), (15, 20856792), (18, 17380660), (20, 15642594), (22, 14220540), (24, 13035495), (30, 10428396), (33, 9480360), (36, 8690330), (40, 7821297), (44, 7110270), (45, 6952264), (55, 5688216), (60, 5214198), (66, 4740180), (72, 4345165), (88, 3555135), (90, 3476132), (99, 3160120), (110, 2844108), (120, 2607099), (132, 2370090), (165, 1896072), (180, 1738066), (198, 1580060), (199, 1572120), (220, 1422054), (264, 1185045), (330, 948036), (360, 869033), (396, 790030), (397, 788040), (398, 786060), (440, 711027), (495, 632024), (597, 524040), (660, 474018), (792, 395015), (794, 394020), (796, 393030), (990, 316012), (995, 314424), (1191, 262680), (1194, 262020), (1320, 237009), (1588, 197010), (1592, 196515), (1791, 174680), (1980, 158006), (1985, 157608), (1990, 157212), (2189, 142920), (2382, 131340), (2388, 131010), (2985, 104808), (3176, 98505), (3573, 87560), (3582, 87340), (3960, 79003), (3970, 78804), (3980, 78606), (4367, 71640), (4378, 71460), (4764, 65670), (4776, 65505), (5955, 52536), (5970, 52404), (6567, 47640), (7146, 43780), (7164, 43670), (7940, 39402), (7960, 39303), (8734, 35820), (8756, 35730), (8955, 34936), (9528, 32835), (10945, 28584), (11910, 26268), (11940, 26202), (13101, 23880), (13134, 23820), (14292, 21890), (14328, 21835), (15880, 19701), (17468, 17910), (17512, 17865)]