31055640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3361}}^1$

素因数の和:3393

約数の個数: 128

約数和(自身を含む): 116190720

約数和(自身を除く): 85135080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3361, 4620, 6722, 9240, 10083, 13444, 16805, 20166, 23527, 26888, 33610, 36971, 40332, 47054, 50415, 67220, 70581, 73942, 80664, 94108, 100830, 110913, 117635, 134440, 141162, 147884, 184855, 188216, 201660, 221826, 235270, 258797, 282324, 295768, 352905, 369710, 403320, 443652, 470540, 517594, 554565, 564648, 705810, 739420, 776391, 887304, 941080, 1035188, 1109130, 1293985, 1411620, 1478840, 1552782, 2070376, 2218260, 2587970, 2823240, 3105564, 3881955, 4436520, 5175940, 6211128, 7763910, 10351880, 15527820, 31055640]

約数ペア:

[(1, 31055640), (2, 15527820), (3, 10351880), (4, 7763910), (5, 6211128), (6, 5175940), (7, 4436520), (8, 3881955), (10, 3105564), (11, 2823240), (12, 2587970), (14, 2218260), (15, 2070376), (20, 1552782), (21, 1478840), (22, 1411620), (24, 1293985), (28, 1109130), (30, 1035188), (33, 941080), (35, 887304), (40, 776391), (42, 739420), (44, 705810), (55, 564648), (56, 554565), (60, 517594), (66, 470540), (70, 443652), (77, 403320), (84, 369710), (88, 352905), (105, 295768), (110, 282324), (120, 258797), (132, 235270), (140, 221826), (154, 201660), (165, 188216), (168, 184855), (210, 147884), (220, 141162), (231, 134440), (264, 117635), (280, 110913), (308, 100830), (330, 94108), (385, 80664), (420, 73942), (440, 70581), (462, 67220), (616, 50415), (660, 47054), (770, 40332), (840, 36971), (924, 33610), (1155, 26888), (1320, 23527), (1540, 20166), (1848, 16805), (2310, 13444), (3080, 10083), (3361, 9240), (4620, 6722)]