256223520

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 384

約数和(自身を含む): 1057190400

約数和(自身を除く): 800966880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 108, 111, 112, 120, 126, 135, 140, 144, 148, 160, 168, 180, 185, 189, 210, 216, 222, 224, 229, 240, 252, 259, 270, 280, 288, 296, 315, 333, 336, 360, 370, 378, 420, 432, 444, 458, 480, 504, 518, 540, 555, 560, 592, 630, 666, 672, 687, 720, 740, 756, 777, 840, 864, 888, 916, 945, 999, 1008, 1036, 1080, 1110, 1120, 1145, 1184, 1260, 1295, 1332, 1374, 1440, 1480, 1512, 1554, 1603, 1665, 1680, 1776, 1832, 1890, 1998, 2016, 2061, 2072, 2160, 2220, 2290, 2331, 2520, 2590, 2664, 2748, 2960, 3024, 3108, 3206, 3330, 3360, 3435, 3552, 3664, 3780, 3885, 3996, 4122, 4144, 4320, 4440, 4580, 4662, 4809, 4995, 5040, 5180, 5328, 5496, 5920, 6048, 6183, 6216, 6412, 6660, 6870, 6993, 7328, 7560, 7770, 7992, 8015, 8244, 8288, 8473, 8880, 9160, 9324, 9618, 9990, 10080, 10305, 10360, 10656, 10992, 11655, 12366, 12432, 12824, 13320, 13740, 13986, 14427, 15120, 15540, 15984, 16030, 16488, 16946, 17760, 18320, 18648, 19236, 19980, 20610, 20720, 21984, 23310, 24045, 24732, 24864, 25419, 25648, 26640, 27480, 27972, 28854, 30240, 30915, 31080, 31968, 32060, 32976, 33892, 34965, 36640, 37296, 38472, 39960, 41220, 41440, 42365, 43281, 46620, 48090, 49464, 50838, 51296, 53280, 54960, 55944, 57708, 59311, 61830, 62160, 64120, 65952, 67784, 69930, 72135, 74592, 76257, 76944, 79920, 82440, 84730, 86562, 93240, 96180, 98928, 101676, 109920, 111888, 115416, 118622, 123660, 124320, 127095, 128240, 135568, 139860, 144270, 152514, 153888, 159840, 164880, 169460, 173124, 177933, 186480, 192360, 197856, 203352, 216405, 223776, 228771, 230832, 237244, 247320, 254190, 256480, 271136, 279720, 288540, 296555, 305028, 329760, 338920, 346248, 355866, 372960, 381285, 384720, 406704, 432810, 457542, 461664, 474488, 494640, 508380, 533799, 559440, 577080, 593110, 610056, 677840, 692496, 711732, 762570, 769440, 813408, 865620, 889665, 915084, 948976, 989280, 1016760, 1067598, 1118880, 1143855, 1154160, 1186220, 1220112, 1355680, 1384992, 1423464, 1525140, 1601397, 1731240, 1779330, 1830168, 1897952, 2033520, 2135196, 2287710, 2308320, 2372440, 2440224, 2668995, 2846928, 3050280, 3202794, 3462480, 3558660, 3660336, 4067040, 4270392, 4575420, 4744880, 5337990, 5693856, 6100560, 6405588, 6924960, 7117320, 7320672, 8006985, 8540784, 9150840, 9489760, 10675980, 12201120, 12811176, 14234640, 16013970, 17081568, 18301680, 21351960, 25622352, 28469280, 32027940, 36603360, 42703920, 51244704, 64055880, 85407840, 128111760, 256223520]

約数ペア:

[(1, 256223520), (2, 128111760), (3, 85407840), (4, 64055880), (5, 51244704), (6, 42703920), (7, 36603360), (8, 32027940), (9, 28469280), (10, 25622352), (12, 21351960), (14, 18301680), (15, 17081568), (16, 16013970), (18, 14234640), (20, 12811176), (21, 12201120), (24, 10675980), (27, 9489760), (28, 9150840), (30, 8540784), (32, 8006985), (35, 7320672), (36, 7117320), (37, 6924960), (40, 6405588), (42, 6100560), (45, 5693856), (48, 5337990), (54, 4744880), (56, 4575420), (60, 4270392), (63, 4067040), (70, 3660336), (72, 3558660), (74, 3462480), (80, 3202794), (84, 3050280), (90, 2846928), (96, 2668995), (105, 2440224), (108, 2372440), (111, 2308320), (112, 2287710), (120, 2135196), (126, 2033520), (135, 1897952), (140, 1830168), (144, 1779330), (148, 1731240), (160, 1601397), (168, 1525140), (180, 1423464), (185, 1384992), (189, 1355680), (210, 1220112), (216, 1186220), (222, 1154160), (224, 1143855), (229, 1118880), (240, 1067598), (252, 1016760), (259, 989280), (270, 948976), (280, 915084), (288, 889665), (296, 865620), (315, 813408), (333, 769440), (336, 762570), (360, 711732), (370, 692496), (378, 677840), (420, 610056), (432, 593110), (444, 577080), (458, 559440), (480, 533799), (504, 508380), (518, 494640), (540, 474488), (555, 461664), (560, 457542), (592, 432810), (630, 406704), (666, 384720), (672, 381285), (687, 372960), (720, 355866), (740, 346248), (756, 338920), (777, 329760), (840, 305028), (864, 296555), (888, 288540), (916, 279720), (945, 271136), (999, 256480), (1008, 254190), (1036, 247320), (1080, 237244), (1110, 230832), (1120, 228771), (1145, 223776), (1184, 216405), (1260, 203352), (1295, 197856), (1332, 192360), (1374, 186480), (1440, 177933), (1480, 173124), (1512, 169460), (1554, 164880), (1603, 159840), (1665, 153888), (1680, 152514), (1776, 144270), (1832, 139860), (1890, 135568), (1998, 128240), (2016, 127095), (2061, 124320), (2072, 123660), (2160, 118622), (2220, 115416), (2290, 111888), (2331, 109920), (2520, 101676), (2590, 98928), (2664, 96180), (2748, 93240), (2960, 86562), (3024, 84730), (3108, 82440), (3206, 79920), (3330, 76944), (3360, 76257), (3435, 74592), (3552, 72135), (3664, 69930), (3780, 67784), (3885, 65952), (3996, 64120), (4122, 62160), (4144, 61830), (4320, 59311), (4440, 57708), (4580, 55944), (4662, 54960), (4809, 53280), (4995, 51296), (5040, 50838), (5180, 49464), (5328, 48090), (5496, 46620), (5920, 43281), (6048, 42365), (6183, 41440), (6216, 41220), (6412, 39960), (6660, 38472), (6870, 37296), (6993, 36640), (7328, 34965), (7560, 33892), (7770, 32976), (7992, 32060), (8015, 31968), (8244, 31080), (8288, 30915), (8473, 30240), (8880, 28854), (9160, 27972), (9324, 27480), (9618, 26640), (9990, 25648), (10080, 25419), (10305, 24864), (10360, 24732), (10656, 24045), (10992, 23310), (11655, 21984), (12366, 20720), (12432, 20610), (12824, 19980), (13320, 19236), (13740, 18648), (13986, 18320), (14427, 17760), (15120, 16946), (15540, 16488), (15984, 16030)]