78212970

素因数分解:

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

素因数の和:620

約数の個数: 96

約数和(自身を含む): 223516800

約数和(自身を除く): 145303830

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 199, 330, 397, 398, 495, 597, 794, 990, 995, 1191, 1194, 1791, 1985, 1990, 2189, 2382, 2985, 3573, 3582, 3970, 4367, 4378, 5955, 5970, 6567, 7146, 8734, 8955, 10945, 11910, 13101, 13134, 17865, 17910, 19701, 21835, 21890, 26202, 32835, 35730, 39303, 39402, 43670, 65505, 65670, 78606, 79003, 98505, 131010, 158006, 196515, 197010, 237009, 393030, 395015, 474018, 711027, 790030, 869033, 1185045, 1422054, 1738066, 2370090, 2607099, 3555135, 4345165, 5214198, 7110270, 7821297, 8690330, 13035495, 15642594, 26070990, 39106485, 78212970]

約数ペア:

[(1, 78212970), (2, 39106485), (3, 26070990), (5, 15642594), (6, 13035495), (9, 8690330), (10, 7821297), (11, 7110270), (15, 5214198), (18, 4345165), (22, 3555135), (30, 2607099), (33, 2370090), (45, 1738066), (55, 1422054), (66, 1185045), (90, 869033), (99, 790030), (110, 711027), (165, 474018), (198, 395015), (199, 393030), (330, 237009), (397, 197010), (398, 196515), (495, 158006), (597, 131010), (794, 98505), (990, 79003), (995, 78606), (1191, 65670), (1194, 65505), (1791, 43670), (1985, 39402), (1990, 39303), (2189, 35730), (2382, 32835), (2985, 26202), (3573, 21890), (3582, 21835), (3970, 19701), (4367, 17910), (4378, 17865), (5955, 13134), (5970, 13101), (6567, 11910), (7146, 10945), (8734, 8955)]