25751520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2014

約数の個数: 120

約数和(自身を含む): 90927144

約数和(自身を除く): 65175624

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, 1987, 2160, 2592, 3240, 3974, 4320, 5961, 6480, 7948, 9935, 11922, 12960, 15896, 17883, 19870, 23844, 29805, 31792, 35766, 39740, 47688, 53649, 59610, 63584, 71532, 79480, 89415, 95376, 107298, 119220, 143064, 158960, 160947, 178830, 190752, 214596, 238440, 268245, 286128, 317920, 321894, 357660, 429192, 476880, 536490, 572256, 643788, 715320, 804735, 858384, 953760, 1072980, 1287576, 1430640, 1609470, 1716768, 2145960, 2575152, 2861280, 3218940, 4291920, 5150304, 6437880, 8583840, 12875760, 25751520]

約数ペア:

[(1, 25751520), (2, 12875760), (3, 8583840), (4, 6437880), (5, 5150304), (6, 4291920), (8, 3218940), (9, 2861280), (10, 2575152), (12, 2145960), (15, 1716768), (16, 1609470), (18, 1430640), (20, 1287576), (24, 1072980), (27, 953760), (30, 858384), (32, 804735), (36, 715320), (40, 643788), (45, 572256), (48, 536490), (54, 476880), (60, 429192), (72, 357660), (80, 321894), (81, 317920), (90, 286128), (96, 268245), (108, 238440), (120, 214596), (135, 190752), (144, 178830), (160, 160947), (162, 158960), (180, 143064), (216, 119220), (240, 107298), (270, 95376), (288, 89415), (324, 79480), (360, 71532), (405, 63584), (432, 59610), (480, 53649), (540, 47688), (648, 39740), (720, 35766), (810, 31792), (864, 29805), (1080, 23844), (1296, 19870), (1440, 17883), (1620, 15896), (1987, 12960), (2160, 11922), (2592, 9935), (3240, 7948), (3974, 6480), (4320, 5961)]