30964920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 107274240

約数和(自身を除く): 76309320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 193, 210, 280, 382, 386, 420, 573, 579, 764, 772, 840, 955, 965, 1146, 1158, 1337, 1351, 1528, 1544, 1910, 1930, 2292, 2316, 2674, 2702, 2865, 2895, 3820, 3860, 4011, 4053, 4584, 4632, 5348, 5404, 5730, 5790, 6685, 6755, 7640, 7720, 8022, 8106, 10696, 10808, 11460, 11580, 13370, 13510, 16044, 16212, 20055, 20265, 22920, 23160, 26740, 27020, 32088, 32424, 36863, 40110, 40530, 53480, 54040, 73726, 80220, 81060, 110589, 147452, 160440, 162120, 184315, 221178, 258041, 294904, 368630, 442356, 516082, 552945, 737260, 774123, 884712, 1032164, 1105890, 1290205, 1474520, 1548246, 2064328, 2211780, 2580410, 3096492, 3870615, 4423560, 5160820, 6192984, 7741230, 10321640, 15482460, 30964920]

約数ペア:

[(1, 30964920), (2, 15482460), (3, 10321640), (4, 7741230), (5, 6192984), (6, 5160820), (7, 4423560), (8, 3870615), (10, 3096492), (12, 2580410), (14, 2211780), (15, 2064328), (20, 1548246), (21, 1474520), (24, 1290205), (28, 1105890), (30, 1032164), (35, 884712), (40, 774123), (42, 737260), (56, 552945), (60, 516082), (70, 442356), (84, 368630), (105, 294904), (120, 258041), (140, 221178), (168, 184315), (191, 162120), (193, 160440), (210, 147452), (280, 110589), (382, 81060), (386, 80220), (420, 73726), (573, 54040), (579, 53480), (764, 40530), (772, 40110), (840, 36863), (955, 32424), (965, 32088), (1146, 27020), (1158, 26740), (1337, 23160), (1351, 22920), (1528, 20265), (1544, 20055), (1910, 16212), (1930, 16044), (2292, 13510), (2316, 13370), (2674, 11580), (2702, 11460), (2865, 10808), (2895, 10696), (3820, 8106), (3860, 8022), (4011, 7720), (4053, 7640), (4584, 6755), (4632, 6685), (5348, 5790), (5404, 5730)]