20019346560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21859}}^1$

素因数の和:21940

約数の個数: 256

約数和(自身を含む): 72242928000

約数和(自身を除く): 52223581440

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, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 128, 135, 144, 159, 160, 180, 192, 212, 216, 240, 265, 270, 288, 318, 320, 360, 384, 424, 432, 477, 480, 530, 540, 576, 636, 640, 720, 795, 848, 864, 954, 960, 1060, 1080, 1152, 1272, 1431, 1440, 1590, 1696, 1728, 1908, 1920, 2120, 2160, 2385, 2544, 2862, 2880, 3180, 3392, 3456, 3816, 4240, 4320, 4770, 5088, 5724, 5760, 6360, 6784, 7155, 7632, 8480, 8640, 9540, 10176, 11448, 12720, 14310, 15264, 16960, 17280, 19080, 20352, 21859, 22896, 25440, 28620, 30528, 33920, 38160, 43718, 45792, 50880, 57240, 61056, 65577, 76320, 87436, 91584, 101760, 109295, 114480, 131154, 152640, 174872, 183168, 196731, 218590, 228960, 262308, 305280, 327885, 349744, 393462, 437180, 457920, 524616, 590193, 655770, 699488, 786924, 874360, 915840, 983655, 1049232, 1158527, 1180386, 1311540, 1398976, 1573848, 1748720, 1967310, 2098464, 2317054, 2360772, 2623080, 2797952, 2950965, 3147696, 3475581, 3497440, 3934620, 4196928, 4634108, 4721544, 5246160, 5792635, 5901930, 6295392, 6951162, 6994880, 7869240, 8393856, 9268216, 9443088, 10426743, 10492320, 11585270, 11803860, 12590784, 13902324, 13989760, 15738480, 17377905, 18536432, 18886176, 20853486, 20984640, 23170540, 23607720, 25181568, 27804648, 31280229, 31476960, 34755810, 37072864, 37772352, 41706972, 41969280, 46341080, 47215440, 52133715, 55609296, 62560458, 62953920, 69511620, 74145728, 75544704, 83413944, 92682160, 94430880, 104267430, 111218592, 125120916, 125907840, 139023240, 148291456, 156401145, 166827888, 185364320, 188861760, 208534860, 222437184, 250241832, 278046480, 312802290, 333655776, 370728640, 377723520, 417069720, 444874368, 500483664, 556092960, 625604580, 667311552, 741457280, 834139440, 1000967328, 1112185920, 1251209160, 1334623104, 1668278880, 2001934656, 2224371840, 2502418320, 3336557760, 4003869312, 5004836640, 6673115520, 10009673280, 20019346560]

約数ペア:

[(1, 20019346560), (2, 10009673280), (3, 6673115520), (4, 5004836640), (5, 4003869312), (6, 3336557760), (8, 2502418320), (9, 2224371840), (10, 2001934656), (12, 1668278880), (15, 1334623104), (16, 1251209160), (18, 1112185920), (20, 1000967328), (24, 834139440), (27, 741457280), (30, 667311552), (32, 625604580), (36, 556092960), (40, 500483664), (45, 444874368), (48, 417069720), (53, 377723520), (54, 370728640), (60, 333655776), (64, 312802290), (72, 278046480), (80, 250241832), (90, 222437184), (96, 208534860), (106, 188861760), (108, 185364320), (120, 166827888), (128, 156401145), (135, 148291456), (144, 139023240), (159, 125907840), (160, 125120916), (180, 111218592), (192, 104267430), (212, 94430880), (216, 92682160), (240, 83413944), (265, 75544704), (270, 74145728), (288, 69511620), (318, 62953920), (320, 62560458), (360, 55609296), (384, 52133715), (424, 47215440), (432, 46341080), (477, 41969280), (480, 41706972), (530, 37772352), (540, 37072864), (576, 34755810), (636, 31476960), (640, 31280229), (720, 27804648), (795, 25181568), (848, 23607720), (864, 23170540), (954, 20984640), (960, 20853486), (1060, 18886176), (1080, 18536432), (1152, 17377905), (1272, 15738480), (1431, 13989760), (1440, 13902324), (1590, 12590784), (1696, 11803860), (1728, 11585270), (1908, 10492320), (1920, 10426743), (2120, 9443088), (2160, 9268216), (2385, 8393856), (2544, 7869240), (2862, 6994880), (2880, 6951162), (3180, 6295392), (3392, 5901930), (3456, 5792635), (3816, 5246160), (4240, 4721544), (4320, 4634108), (4770, 4196928), (5088, 3934620), (5724, 3497440), (5760, 3475581), (6360, 3147696), (6784, 2950965), (7155, 2797952), (7632, 2623080), (8480, 2360772), (8640, 2317054), (9540, 2098464), (10176, 1967310), (11448, 1748720), (12720, 1573848), (14310, 1398976), (15264, 1311540), (16960, 1180386), (17280, 1158527), (19080, 1049232), (20352, 983655), (21859, 915840), (22896, 874360), (25440, 786924), (28620, 699488), (30528, 655770), (33920, 590193), (38160, 524616), (43718, 457920), (45792, 437180), (50880, 393462), (57240, 349744), (61056, 327885), (65577, 305280), (76320, 262308), (87436, 228960), (91584, 218590), (101760, 196731), (109295, 183168), (114480, 174872), (131154, 152640)]