74981920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 199221120

約数和(自身を除く): 124239200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 59, 65, 80, 94, 104, 118, 130, 160, 169, 188, 208, 235, 236, 260, 295, 338, 376, 416, 470, 472, 520, 590, 611, 676, 752, 767, 845, 940, 944, 1040, 1180, 1222, 1352, 1504, 1534, 1690, 1880, 1888, 2080, 2360, 2444, 2704, 2773, 3055, 3068, 3380, 3760, 3835, 4720, 4888, 5408, 5546, 6110, 6136, 6760, 7520, 7670, 7943, 9440, 9776, 9971, 11092, 12220, 12272, 13520, 13865, 15340, 15886, 19552, 19942, 22184, 24440, 24544, 27040, 27730, 30680, 31772, 36049, 39715, 39884, 44368, 48880, 49855, 55460, 61360, 63544, 72098, 79430, 79768, 88736, 97760, 99710, 110920, 122720, 127088, 144196, 158860, 159536, 180245, 199420, 221840, 254176, 288392, 317720, 319072, 360490, 398840, 443680, 468637, 576784, 635440, 720980, 797680, 937274, 1153568, 1270880, 1441960, 1595360, 1874548, 2343185, 2883920, 3749096, 4686370, 5767840, 7498192, 9372740, 14996384, 18745480, 37490960, 74981920]

約数ペア:

[(1, 74981920), (2, 37490960), (4, 18745480), (5, 14996384), (8, 9372740), (10, 7498192), (13, 5767840), (16, 4686370), (20, 3749096), (26, 2883920), (32, 2343185), (40, 1874548), (47, 1595360), (52, 1441960), (59, 1270880), (65, 1153568), (80, 937274), (94, 797680), (104, 720980), (118, 635440), (130, 576784), (160, 468637), (169, 443680), (188, 398840), (208, 360490), (235, 319072), (236, 317720), (260, 288392), (295, 254176), (338, 221840), (376, 199420), (416, 180245), (470, 159536), (472, 158860), (520, 144196), (590, 127088), (611, 122720), (676, 110920), (752, 99710), (767, 97760), (845, 88736), (940, 79768), (944, 79430), (1040, 72098), (1180, 63544), (1222, 61360), (1352, 55460), (1504, 49855), (1534, 48880), (1690, 44368), (1880, 39884), (1888, 39715), (2080, 36049), (2360, 31772), (2444, 30680), (2704, 27730), (2773, 27040), (3055, 24544), (3068, 24440), (3380, 22184), (3760, 19942), (3835, 19552), (4720, 15886), (4888, 15340), (5408, 13865), (5546, 13520), (6110, 12272), (6136, 12220), (6760, 11092), (7520, 9971), (7670, 9776), (7943, 9440)]