2865132840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1787}}^1$

素因数の和:2263

約数の個数: 128

約数和(自身を含む): 8898232320

約数和(自身を除く): 6033099480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 431, 465, 620, 744, 862, 930, 1240, 1293, 1724, 1787, 1860, 2155, 2586, 3448, 3574, 3720, 4310, 5172, 5361, 6465, 7148, 8620, 8935, 10344, 10722, 12930, 13361, 14296, 17240, 17870, 21444, 25860, 26722, 26805, 35740, 40083, 42888, 51720, 53444, 53610, 55397, 66805, 71480, 80166, 106888, 107220, 110794, 133610, 160332, 166191, 200415, 214440, 221588, 267220, 276985, 320664, 332382, 400830, 443176, 534440, 553970, 664764, 770197, 801660, 830955, 1107940, 1329528, 1540394, 1603320, 1661910, 2215880, 2310591, 3080788, 3323820, 3850985, 4621182, 6161576, 6647640, 7701970, 9242364, 11552955, 15403940, 18484728, 23105910, 23876107, 30807880, 46211820, 47752214, 71628321, 92423640, 95504428, 119380535, 143256642, 191008856, 238761070, 286513284, 358141605, 477522140, 573026568, 716283210, 955044280, 1432566420, 2865132840]

約数ペア:

[(1, 2865132840), (2, 1432566420), (3, 955044280), (4, 716283210), (5, 573026568), (6, 477522140), (8, 358141605), (10, 286513284), (12, 238761070), (15, 191008856), (20, 143256642), (24, 119380535), (30, 95504428), (31, 92423640), (40, 71628321), (60, 47752214), (62, 46211820), (93, 30807880), (120, 23876107), (124, 23105910), (155, 18484728), (186, 15403940), (248, 11552955), (310, 9242364), (372, 7701970), (431, 6647640), (465, 6161576), (620, 4621182), (744, 3850985), (862, 3323820), (930, 3080788), (1240, 2310591), (1293, 2215880), (1724, 1661910), (1787, 1603320), (1860, 1540394), (2155, 1329528), (2586, 1107940), (3448, 830955), (3574, 801660), (3720, 770197), (4310, 664764), (5172, 553970), (5361, 534440), (6465, 443176), (7148, 400830), (8620, 332382), (8935, 320664), (10344, 276985), (10722, 267220), (12930, 221588), (13361, 214440), (14296, 200415), (17240, 166191), (17870, 160332), (21444, 133610), (25860, 110794), (26722, 107220), (26805, 106888), (35740, 80166), (40083, 71480), (42888, 66805), (51720, 55397), (53444, 53610)]