78887520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{2029}}^1$

素因数の和:2059

約数の個数: 144

約数和(自身を含む): 279311760

約数和(自身を除く): 200424240

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2029, 2160, 2430, 2592, 3240, 3888, 4058, 4320, 4860, 6087, 6480, 7776, 8116, 9720, 10145, 12174, 12960, 16232, 18261, 19440, 20290, 24348, 30435, 32464, 36522, 38880, 40580, 48696, 54783, 60870, 64928, 73044, 81160, 91305, 97392, 109566, 121740, 146088, 162320, 164349, 182610, 194784, 219132, 243480, 273915, 292176, 324640, 328698, 365220, 438264, 486960, 493047, 547830, 584352, 657396, 730440, 821745, 876528, 973920, 986094, 1095660, 1314792, 1460880, 1643490, 1753056, 1972188, 2191320, 2465235, 2629584, 2921760, 3286980, 3944376, 4382640, 4930470, 5259168, 6573960, 7888752, 8765280, 9860940, 13147920, 15777504, 19721880, 26295840, 39443760, 78887520]

約数ペア:

[(1, 78887520), (2, 39443760), (3, 26295840), (4, 19721880), (5, 15777504), (6, 13147920), (8, 9860940), (9, 8765280), (10, 7888752), (12, 6573960), (15, 5259168), (16, 4930470), (18, 4382640), (20, 3944376), (24, 3286980), (27, 2921760), (30, 2629584), (32, 2465235), (36, 2191320), (40, 1972188), (45, 1753056), (48, 1643490), (54, 1460880), (60, 1314792), (72, 1095660), (80, 986094), (81, 973920), (90, 876528), (96, 821745), (108, 730440), (120, 657396), (135, 584352), (144, 547830), (160, 493047), (162, 486960), (180, 438264), (216, 365220), (240, 328698), (243, 324640), (270, 292176), (288, 273915), (324, 243480), (360, 219132), (405, 194784), (432, 182610), (480, 164349), (486, 162320), (540, 146088), (648, 121740), (720, 109566), (810, 97392), (864, 91305), (972, 81160), (1080, 73044), (1215, 64928), (1296, 60870), (1440, 54783), (1620, 48696), (1944, 40580), (2029, 38880), (2160, 36522), (2430, 32464), (2592, 30435), (3240, 24348), (3888, 20290), (4058, 19440), (4320, 18261), (4860, 16232), (6087, 12960), (6480, 12174), (7776, 10145), (8116, 9720)]