7640640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{379}}^1$

素因数の和:409

約数の個数: 168

約数和(自身を含む): 30114240

約数和(自身を除く): 22473600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 379, 420, 448, 480, 504, 560, 576, 630, 672, 720, 758, 840, 960, 1008, 1120, 1137, 1260, 1344, 1440, 1516, 1680, 1895, 2016, 2240, 2274, 2520, 2653, 2880, 3032, 3360, 3411, 3790, 4032, 4548, 5040, 5306, 5685, 6064, 6720, 6822, 7580, 7959, 9096, 10080, 10612, 11370, 12128, 13265, 13644, 15160, 15918, 17055, 18192, 20160, 21224, 22740, 23877, 24256, 26530, 27288, 30320, 31836, 34110, 36384, 39795, 42448, 45480, 47754, 53060, 54576, 60640, 63672, 68220, 72768, 79590, 84896, 90960, 95508, 106120, 109152, 119385, 121280, 127344, 136440, 159180, 169792, 181920, 191016, 212240, 218304, 238770, 254688, 272880, 318360, 363840, 382032, 424480, 477540, 509376, 545760, 636720, 764064, 848960, 955080, 1091520, 1273440, 1528128, 1910160, 2546880, 3820320, 7640640]

約数ペア:

[(1, 7640640), (2, 3820320), (3, 2546880), (4, 1910160), (5, 1528128), (6, 1273440), (7, 1091520), (8, 955080), (9, 848960), (10, 764064), (12, 636720), (14, 545760), (15, 509376), (16, 477540), (18, 424480), (20, 382032), (21, 363840), (24, 318360), (28, 272880), (30, 254688), (32, 238770), (35, 218304), (36, 212240), (40, 191016), (42, 181920), (45, 169792), (48, 159180), (56, 136440), (60, 127344), (63, 121280), (64, 119385), (70, 109152), (72, 106120), (80, 95508), (84, 90960), (90, 84896), (96, 79590), (105, 72768), (112, 68220), (120, 63672), (126, 60640), (140, 54576), (144, 53060), (160, 47754), (168, 45480), (180, 42448), (192, 39795), (210, 36384), (224, 34110), (240, 31836), (252, 30320), (280, 27288), (288, 26530), (315, 24256), (320, 23877), (336, 22740), (360, 21224), (379, 20160), (420, 18192), (448, 17055), (480, 15918), (504, 15160), (560, 13644), (576, 13265), (630, 12128), (672, 11370), (720, 10612), (758, 10080), (840, 9096), (960, 7959), (1008, 7580), (1120, 6822), (1137, 6720), (1260, 6064), (1344, 5685), (1440, 5306), (1516, 5040), (1680, 4548), (1895, 4032), (2016, 3790), (2240, 3411), (2274, 3360), (2520, 3032), (2653, 2880)]