81483720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 128

約数和(自身を含む): 263606400

約数和(自身を除く): 182122680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 677, 680, 708, 885, 1003, 1020, 1180, 1354, 1416, 1770, 2006, 2031, 2040, 2360, 2708, 3009, 3385, 3540, 4012, 4062, 5015, 5416, 6018, 6770, 7080, 8024, 8124, 10030, 10155, 11509, 12036, 13540, 15045, 16248, 20060, 20310, 23018, 24072, 27080, 30090, 34527, 39943, 40120, 40620, 46036, 57545, 60180, 69054, 79886, 81240, 92072, 115090, 119829, 120360, 138108, 159772, 172635, 199715, 230180, 239658, 276216, 319544, 345270, 399430, 460360, 479316, 599145, 679031, 690540, 798860, 958632, 1198290, 1358062, 1381080, 1597720, 2037093, 2396580, 2716124, 3395155, 4074186, 4793160, 5432248, 6790310, 8148372, 10185465, 13580620, 16296744, 20370930, 27161240, 40741860, 81483720]

約数ペア:

[(1, 81483720), (2, 40741860), (3, 27161240), (4, 20370930), (5, 16296744), (6, 13580620), (8, 10185465), (10, 8148372), (12, 6790310), (15, 5432248), (17, 4793160), (20, 4074186), (24, 3395155), (30, 2716124), (34, 2396580), (40, 2037093), (51, 1597720), (59, 1381080), (60, 1358062), (68, 1198290), (85, 958632), (102, 798860), (118, 690540), (120, 679031), (136, 599145), (170, 479316), (177, 460360), (204, 399430), (236, 345270), (255, 319544), (295, 276216), (340, 239658), (354, 230180), (408, 199715), (472, 172635), (510, 159772), (590, 138108), (677, 120360), (680, 119829), (708, 115090), (885, 92072), (1003, 81240), (1020, 79886), (1180, 69054), (1354, 60180), (1416, 57545), (1770, 46036), (2006, 40620), (2031, 40120), (2040, 39943), (2360, 34527), (2708, 30090), (3009, 27080), (3385, 24072), (3540, 23018), (4012, 20310), (4062, 20060), (5015, 16248), (5416, 15045), (6018, 13540), (6770, 12036), (7080, 11509), (8024, 10155), (8124, 10030)]