251462880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19403}}^1$

素因数の和:19430

約数の個数: 120

約数和(自身を含む): 887500152

約数和(自身を除く): 636037272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19403, 38806, 58209, 77612, 97015, 116418, 155224, 174627, 194030, 232836, 291045, 310448, 349254, 388060, 465672, 523881, 582090, 620896, 698508, 776120, 873135, 931344, 1047762, 1164180, 1397016, 1552240, 1571643, 1746270, 1862688, 2095524, 2328360, 2619405, 2794032, 3104480, 3143286, 3492540, 4191048, 4656720, 5238810, 5588064, 6286572, 6985080, 7858215, 8382096, 9313440, 10477620, 12573144, 13970160, 15716430, 16764192, 20955240, 25146288, 27940320, 31432860, 41910480, 50292576, 62865720, 83820960, 125731440, 251462880]

約数ペア:

[(1, 251462880), (2, 125731440), (3, 83820960), (4, 62865720), (5, 50292576), (6, 41910480), (8, 31432860), (9, 27940320), (10, 25146288), (12, 20955240), (15, 16764192), (16, 15716430), (18, 13970160), (20, 12573144), (24, 10477620), (27, 9313440), (30, 8382096), (32, 7858215), (36, 6985080), (40, 6286572), (45, 5588064), (48, 5238810), (54, 4656720), (60, 4191048), (72, 3492540), (80, 3143286), (81, 3104480), (90, 2794032), (96, 2619405), (108, 2328360), (120, 2095524), (135, 1862688), (144, 1746270), (160, 1571643), (162, 1552240), (180, 1397016), (216, 1164180), (240, 1047762), (270, 931344), (288, 873135), (324, 776120), (360, 698508), (405, 620896), (432, 582090), (480, 523881), (540, 465672), (648, 388060), (720, 349254), (810, 310448), (864, 291045), (1080, 232836), (1296, 194030), (1440, 174627), (1620, 155224), (2160, 116418), (2592, 97015), (3240, 77612), (4320, 58209), (6480, 38806), (12960, 19403)]