256338588240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{20939}}^1$

素因数の和:21319

約数の個数: 360

約数和(自身を含む): 1004354601120

約数和(自身を除く): 748016012880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 347, 360, 392, 420, 441, 490, 504, 560, 588, 630, 694, 720, 735, 784, 840, 882, 980, 1008, 1041, 1176, 1260, 1388, 1470, 1680, 1735, 1764, 1960, 2082, 2205, 2352, 2429, 2520, 2776, 2940, 3123, 3470, 3528, 3920, 4164, 4410, 4858, 5040, 5205, 5552, 5880, 6246, 6940, 7056, 7287, 8328, 8820, 9716, 10410, 11760, 12145, 12492, 13880, 14574, 15615, 16656, 17003, 17640, 19432, 20820, 20939, 21861, 24290, 24984, 27760, 29148, 31230, 34006, 35280, 36435, 38864, 41640, 41878, 43722, 48580, 49968, 51009, 58296, 62460, 62817, 68012, 72870, 83280, 83756, 85015, 87444, 97160, 102018, 104695, 109305, 116592, 124920, 125634, 136024, 145740, 146573, 153027, 167512, 170030, 174888, 188451, 194320, 204036, 209390, 218610, 249840, 251268, 255045, 272048, 291480, 293146, 306054, 314085, 335024, 340060, 349776, 376902, 408072, 418780, 437220, 439719, 502536, 510090, 582960, 586292, 612108, 628170, 680120, 732865, 753804, 765135, 816144, 837560, 874440, 879438, 942255, 1005072, 1020180, 1026011, 1172584, 1224216, 1256340, 1319157, 1360240, 1465730, 1507608, 1530270, 1675120, 1748880, 1758876, 1884510, 2040360, 2052022, 2198595, 2345168, 2448432, 2512680, 2638314, 2931460, 3015216, 3060540, 3078033, 3517752, 3769020, 4080720, 4104044, 4397190, 5025360, 5130055, 5276628, 5862920, 6121080, 6156066, 6595785, 7035504, 7265833, 7538040, 8208088, 8794380, 9234099, 10260110, 10553256, 11725840, 12242160, 12312132, 13191570, 14531666, 15076080, 15390165, 16416176, 17588760, 18468198, 20520220, 21106512, 21797499, 24624264, 26383140, 29063332, 30780330, 35177520, 36329165, 36936396, 41040440, 43594998, 46170495, 49248528, 50860831, 52766280, 58126664, 61560660, 65392497, 72658330, 73872792, 82080880, 87189996, 92340990, 101721662, 105532560, 108987495, 116253328, 123121320, 130784994, 145316660, 147745584, 152582493, 174379992, 184681980, 203443324, 217974990, 246242640, 254304155, 261569988, 290633320, 305164986, 326962485, 348759984, 356025817, 369363960, 406886648, 435949980, 457747479, 508608310, 523139976, 581266640, 610329972, 653924970, 712051634, 738727920, 762912465, 813773296, 871899960, 915494958, 1017216620, 1046279952, 1068077451, 1220659944, 1307849940, 1424103268, 1525824930, 1743799920, 1780129085, 1830989916, 2034433240, 2136154902, 2288737395, 2441319888, 2615699880, 2848206536, 3051649860, 3204232353, 3560258170, 3661979832, 4068866480, 4272309804, 4577474790, 5231399760, 5340387255, 5696413072, 6103299720, 6408464706, 7120516340, 7323959664, 8544619608, 9154949580, 10680774510, 12206599440, 12816929412, 14241032680, 16021161765, 17089239216, 18309899160, 21361549020, 25633858824, 28482065360, 32042323530, 36619798320, 42723098040, 51267717648, 64084647060, 85446196080, 128169294120, 256338588240]

約数ペア:

[(1, 256338588240), (2, 128169294120), (3, 85446196080), (4, 64084647060), (5, 51267717648), (6, 42723098040), (7, 36619798320), (8, 32042323530), (9, 28482065360), (10, 25633858824), (12, 21361549020), (14, 18309899160), (15, 17089239216), (16, 16021161765), (18, 14241032680), (20, 12816929412), (21, 12206599440), (24, 10680774510), (28, 9154949580), (30, 8544619608), (35, 7323959664), (36, 7120516340), (40, 6408464706), (42, 6103299720), (45, 5696413072), (48, 5340387255), (49, 5231399760), (56, 4577474790), (60, 4272309804), (63, 4068866480), (70, 3661979832), (72, 3560258170), (80, 3204232353), (84, 3051649860), (90, 2848206536), (98, 2615699880), (105, 2441319888), (112, 2288737395), (120, 2136154902), (126, 2034433240), (140, 1830989916), (144, 1780129085), (147, 1743799920), (168, 1525824930), (180, 1424103268), (196, 1307849940), (210, 1220659944), (240, 1068077451), (245, 1046279952), (252, 1017216620), (280, 915494958), (294, 871899960), (315, 813773296), (336, 762912465), (347, 738727920), (360, 712051634), (392, 653924970), (420, 610329972), (441, 581266640), (490, 523139976), (504, 508608310), (560, 457747479), (588, 435949980), (630, 406886648), (694, 369363960), (720, 356025817), (735, 348759984), (784, 326962485), (840, 305164986), (882, 290633320), (980, 261569988), (1008, 254304155), (1041, 246242640), (1176, 217974990), (1260, 203443324), (1388, 184681980), (1470, 174379992), (1680, 152582493), (1735, 147745584), (1764, 145316660), (1960, 130784994), (2082, 123121320), (2205, 116253328), (2352, 108987495), (2429, 105532560), (2520, 101721662), (2776, 92340990), (2940, 87189996), (3123, 82080880), (3470, 73872792), (3528, 72658330), (3920, 65392497), (4164, 61560660), (4410, 58126664), (4858, 52766280), (5040, 50860831), (5205, 49248528), (5552, 46170495), (5880, 43594998), (6246, 41040440), (6940, 36936396), (7056, 36329165), (7287, 35177520), (8328, 30780330), (8820, 29063332), (9716, 26383140), (10410, 24624264), (11760, 21797499), (12145, 21106512), (12492, 20520220), (13880, 18468198), (14574, 17588760), (15615, 16416176), (16656, 15390165), (17003, 15076080), (17640, 14531666), (19432, 13191570), (20820, 12312132), (20939, 12242160), (21861, 11725840), (24290, 10553256), (24984, 10260110), (27760, 9234099), (29148, 8794380), (31230, 8208088), (34006, 7538040), (35280, 7265833), (36435, 7035504), (38864, 6595785), (41640, 6156066), (41878, 6121080), (43722, 5862920), (48580, 5276628), (49968, 5130055), (51009, 5025360), (58296, 4397190), (62460, 4104044), (62817, 4080720), (68012, 3769020), (72870, 3517752), (83280, 3078033), (83756, 3060540), (85015, 3015216), (87444, 2931460), (97160, 2638314), (102018, 2512680), (104695, 2448432), (109305, 2345168), (116592, 2198595), (124920, 2052022), (125634, 2040360), (136024, 1884510), (145740, 1758876), (146573, 1748880), (153027, 1675120), (167512, 1530270), (170030, 1507608), (174888, 1465730), (188451, 1360240), (194320, 1319157), (204036, 1256340), (209390, 1224216), (218610, 1172584), (249840, 1026011), (251268, 1020180), (255045, 1005072), (272048, 942255), (291480, 879438), (293146, 874440), (306054, 837560), (314085, 816144), (335024, 765135), (340060, 753804), (349776, 732865), (376902, 680120), (408072, 628170), (418780, 612108), (437220, 586292), (439719, 582960), (502536, 510090)]