225342720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 216

約数和(自身を含む): 806088192

約数和(自身を除く): 580745472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 631, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1262, 1280, 1395, 1440, 1488, 1860, 1893, 1920, 1984, 2232, 2304, 2480, 2524, 2790, 2880, 2976, 3155, 3720, 3786, 3840, 3968, 4464, 4960, 5048, 5580, 5679, 5760, 5952, 6310, 7440, 7572, 7936, 8928, 9465, 9920, 10096, 11160, 11358, 11520, 11904, 12620, 14880, 15144, 17856, 18930, 19561, 19840, 20192, 22320, 22716, 23808, 25240, 28395, 29760, 30288, 35712, 37860, 39122, 39680, 40384, 44640, 45432, 50480, 56790, 58683, 59520, 60576, 71424, 75720, 78244, 80768, 89280, 90864, 97805, 100960, 113580, 117366, 119040, 121152, 151440, 156488, 161536, 176049, 178560, 181728, 195610, 201920, 227160, 234732, 242304, 293415, 302880, 312976, 352098, 357120, 363456, 391220, 403840, 454320, 469464, 484608, 586830, 605760, 625952, 704196, 726912, 782440, 807680, 880245, 908640, 938928, 1173660, 1211520, 1251904, 1408392, 1453824, 1564880, 1760490, 1817280, 1877856, 2347320, 2423040, 2503808, 2816784, 3129760, 3520980, 3634560, 3755712, 4694640, 5007616, 5633568, 6259520, 7041960, 7269120, 7511424, 9389280, 11267136, 12519040, 14083920, 15022848, 18778560, 22534272, 25038080, 28167840, 37557120, 45068544, 56335680, 75114240, 112671360, 225342720]

約数ペア:

[(1, 225342720), (2, 112671360), (3, 75114240), (4, 56335680), (5, 45068544), (6, 37557120), (8, 28167840), (9, 25038080), (10, 22534272), (12, 18778560), (15, 15022848), (16, 14083920), (18, 12519040), (20, 11267136), (24, 9389280), (30, 7511424), (31, 7269120), (32, 7041960), (36, 6259520), (40, 5633568), (45, 5007616), (48, 4694640), (60, 3755712), (62, 3634560), (64, 3520980), (72, 3129760), (80, 2816784), (90, 2503808), (93, 2423040), (96, 2347320), (120, 1877856), (124, 1817280), (128, 1760490), (144, 1564880), (155, 1453824), (160, 1408392), (180, 1251904), (186, 1211520), (192, 1173660), (240, 938928), (248, 908640), (256, 880245), (279, 807680), (288, 782440), (310, 726912), (320, 704196), (360, 625952), (372, 605760), (384, 586830), (465, 484608), (480, 469464), (496, 454320), (558, 403840), (576, 391220), (620, 363456), (631, 357120), (640, 352098), (720, 312976), (744, 302880), (768, 293415), (930, 242304), (960, 234732), (992, 227160), (1116, 201920), (1152, 195610), (1240, 181728), (1262, 178560), (1280, 176049), (1395, 161536), (1440, 156488), (1488, 151440), (1860, 121152), (1893, 119040), (1920, 117366), (1984, 113580), (2232, 100960), (2304, 97805), (2480, 90864), (2524, 89280), (2790, 80768), (2880, 78244), (2976, 75720), (3155, 71424), (3720, 60576), (3786, 59520), (3840, 58683), (3968, 56790), (4464, 50480), (4960, 45432), (5048, 44640), (5580, 40384), (5679, 39680), (5760, 39122), (5952, 37860), (6310, 35712), (7440, 30288), (7572, 29760), (7936, 28395), (8928, 25240), (9465, 23808), (9920, 22716), (10096, 22320), (11160, 20192), (11358, 19840), (11520, 19561), (11904, 18930), (12620, 17856), (14880, 15144)]