39488640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 127638720

約数和(自身を除く): 88150080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 157, 160, 192, 240, 262, 314, 320, 384, 393, 471, 480, 524, 628, 640, 655, 785, 786, 942, 960, 1048, 1256, 1310, 1570, 1572, 1884, 1920, 1965, 2096, 2355, 2512, 2620, 3140, 3144, 3768, 3930, 4192, 4710, 5024, 5240, 6280, 6288, 7536, 7860, 8384, 9420, 10048, 10480, 12560, 12576, 15072, 15720, 16768, 18840, 20096, 20567, 20960, 25120, 25152, 30144, 31440, 37680, 41134, 41920, 50240, 50304, 60288, 61701, 62880, 75360, 82268, 83840, 100480, 102835, 123402, 125760, 150720, 164536, 205670, 246804, 251520, 301440, 308505, 329072, 411340, 493608, 617010, 658144, 822680, 987216, 1234020, 1316288, 1645360, 1974432, 2468040, 2632576, 3290720, 3948864, 4936080, 6581440, 7897728, 9872160, 13162880, 19744320, 39488640]

約数ペア:

[(1, 39488640), (2, 19744320), (3, 13162880), (4, 9872160), (5, 7897728), (6, 6581440), (8, 4936080), (10, 3948864), (12, 3290720), (15, 2632576), (16, 2468040), (20, 1974432), (24, 1645360), (30, 1316288), (32, 1234020), (40, 987216), (48, 822680), (60, 658144), (64, 617010), (80, 493608), (96, 411340), (120, 329072), (128, 308505), (131, 301440), (157, 251520), (160, 246804), (192, 205670), (240, 164536), (262, 150720), (314, 125760), (320, 123402), (384, 102835), (393, 100480), (471, 83840), (480, 82268), (524, 75360), (628, 62880), (640, 61701), (655, 60288), (785, 50304), (786, 50240), (942, 41920), (960, 41134), (1048, 37680), (1256, 31440), (1310, 30144), (1570, 25152), (1572, 25120), (1884, 20960), (1920, 20567), (1965, 20096), (2096, 18840), (2355, 16768), (2512, 15720), (2620, 15072), (3140, 12576), (3144, 12560), (3768, 10480), (3930, 10048), (4192, 9420), (4710, 8384), (5024, 7860), (5240, 7536), (6280, 6288)]