66666240

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 180

約数和(自身を含む): 238914984

約数和(自身を除く): 172248744

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 643, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1286, 1296, 1440, 1620, 1728, 1920, 1929, 2160, 2304, 2572, 2592, 2880, 3215, 3240, 3456, 3840, 3858, 4320, 5144, 5184, 5760, 5787, 6430, 6480, 6912, 7716, 8640, 9645, 10288, 10368, 11520, 11574, 12860, 12960, 15432, 17280, 17361, 19290, 20576, 20736, 23148, 25720, 25920, 28935, 30864, 34560, 34722, 38580, 41152, 46296, 51440, 51840, 52083, 57870, 61728, 69444, 77160, 82304, 86805, 92592, 102880, 103680, 104166, 115740, 123456, 138888, 154320, 164608, 173610, 185184, 205760, 208332, 231480, 246912, 260415, 277776, 308640, 347220, 370368, 411520, 416664, 462960, 493824, 520830, 555552, 617280, 694440, 740736, 823040, 833328, 925920, 1041660, 1111104, 1234560, 1388880, 1481472, 1666656, 1851840, 2083320, 2222208, 2469120, 2777760, 3333312, 3703680, 4166640, 4444416, 5555520, 6666624, 7407360, 8333280, 11111040, 13333248, 16666560, 22222080, 33333120, 66666240]

約数ペア:

[(1, 66666240), (2, 33333120), (3, 22222080), (4, 16666560), (5, 13333248), (6, 11111040), (8, 8333280), (9, 7407360), (10, 6666624), (12, 5555520), (15, 4444416), (16, 4166640), (18, 3703680), (20, 3333312), (24, 2777760), (27, 2469120), (30, 2222208), (32, 2083320), (36, 1851840), (40, 1666656), (45, 1481472), (48, 1388880), (54, 1234560), (60, 1111104), (64, 1041660), (72, 925920), (80, 833328), (81, 823040), (90, 740736), (96, 694440), (108, 617280), (120, 555552), (128, 520830), (135, 493824), (144, 462960), (160, 416664), (162, 411520), (180, 370368), (192, 347220), (216, 308640), (240, 277776), (256, 260415), (270, 246912), (288, 231480), (320, 208332), (324, 205760), (360, 185184), (384, 173610), (405, 164608), (432, 154320), (480, 138888), (540, 123456), (576, 115740), (640, 104166), (643, 103680), (648, 102880), (720, 92592), (768, 86805), (810, 82304), (864, 77160), (960, 69444), (1080, 61728), (1152, 57870), (1280, 52083), (1286, 51840), (1296, 51440), (1440, 46296), (1620, 41152), (1728, 38580), (1920, 34722), (1929, 34560), (2160, 30864), (2304, 28935), (2572, 25920), (2592, 25720), (2880, 23148), (3215, 20736), (3240, 20576), (3456, 19290), (3840, 17361), (3858, 17280), (4320, 15432), (5144, 12960), (5184, 12860), (5760, 11574), (5787, 11520), (6430, 10368), (6480, 10288), (6912, 9645), (7716, 8640)]