215923680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 288

約数和(自身を含む): 870524928

約数和(自身を除く): 654601248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 691, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1382, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2073, 2170, 2232, 2480, 2520, 2604, 2764, 2790, 2976, 3255, 3360, 3455, 3472, 3720, 3906, 4146, 4340, 4464, 4837, 4960, 5040, 5208, 5528, 5580, 6219, 6510, 6910, 6944, 7440, 7812, 8292, 8680, 8928, 9674, 9765, 10080, 10365, 10416, 11056, 11160, 12438, 13020, 13820, 14511, 14880, 15624, 16584, 17360, 19348, 19530, 20730, 20832, 21421, 22112, 22320, 24185, 24876, 26040, 27640, 29022, 31095, 31248, 33168, 34720, 38696, 39060, 41460, 42842, 43533, 44640, 48370, 49752, 52080, 55280, 58044, 62190, 62496, 64263, 66336, 72555, 77392, 78120, 82920, 85684, 87066, 96740, 99504, 104160, 107105, 110560, 116088, 124380, 128526, 145110, 149947, 154784, 156240, 165840, 171368, 174132, 192789, 193480, 199008, 214210, 217665, 232176, 248760, 257052, 290220, 299894, 312480, 321315, 331680, 342736, 348264, 385578, 386960, 428420, 435330, 449841, 464352, 497520, 514104, 580440, 599788, 642630, 685472, 696528, 749735, 771156, 773920, 856840, 870660, 899682, 963945, 995040, 1028208, 1160880, 1199576, 1285260, 1349523, 1393056, 1499470, 1542312, 1713680, 1741320, 1799364, 1927890, 2056416, 2249205, 2321760, 2399152, 2570520, 2699046, 2998940, 3084624, 3427360, 3482640, 3598728, 3855780, 4498410, 4798304, 5141040, 5398092, 5997880, 6169248, 6747615, 6965280, 7197456, 7711560, 8996820, 10282080, 10796184, 11995760, 13495230, 14394912, 15423120, 17993640, 21592368, 23991520, 26990460, 30846240, 35987280, 43184736, 53980920, 71974560, 107961840, 215923680]

約数ペア:

[(1, 215923680), (2, 107961840), (3, 71974560), (4, 53980920), (5, 43184736), (6, 35987280), (7, 30846240), (8, 26990460), (9, 23991520), (10, 21592368), (12, 17993640), (14, 15423120), (15, 14394912), (16, 13495230), (18, 11995760), (20, 10796184), (21, 10282080), (24, 8996820), (28, 7711560), (30, 7197456), (31, 6965280), (32, 6747615), (35, 6169248), (36, 5997880), (40, 5398092), (42, 5141040), (45, 4798304), (48, 4498410), (56, 3855780), (60, 3598728), (62, 3482640), (63, 3427360), (70, 3084624), (72, 2998940), (80, 2699046), (84, 2570520), (90, 2399152), (93, 2321760), (96, 2249205), (105, 2056416), (112, 1927890), (120, 1799364), (124, 1741320), (126, 1713680), (140, 1542312), (144, 1499470), (155, 1393056), (160, 1349523), (168, 1285260), (180, 1199576), (186, 1160880), (210, 1028208), (217, 995040), (224, 963945), (240, 899682), (248, 870660), (252, 856840), (279, 773920), (280, 771156), (288, 749735), (310, 696528), (315, 685472), (336, 642630), (360, 599788), (372, 580440), (420, 514104), (434, 497520), (465, 464352), (480, 449841), (496, 435330), (504, 428420), (558, 386960), (560, 385578), (620, 348264), (630, 342736), (651, 331680), (672, 321315), (691, 312480), (720, 299894), (744, 290220), (840, 257052), (868, 248760), (930, 232176), (992, 217665), (1008, 214210), (1085, 199008), (1116, 193480), (1120, 192789), (1240, 174132), (1260, 171368), (1302, 165840), (1382, 156240), (1395, 154784), (1440, 149947), (1488, 145110), (1680, 128526), (1736, 124380), (1860, 116088), (1953, 110560), (2016, 107105), (2073, 104160), (2170, 99504), (2232, 96740), (2480, 87066), (2520, 85684), (2604, 82920), (2764, 78120), (2790, 77392), (2976, 72555), (3255, 66336), (3360, 64263), (3455, 62496), (3472, 62190), (3720, 58044), (3906, 55280), (4146, 52080), (4340, 49752), (4464, 48370), (4837, 44640), (4960, 43533), (5040, 42842), (5208, 41460), (5528, 39060), (5580, 38696), (6219, 34720), (6510, 33168), (6910, 31248), (6944, 31095), (7440, 29022), (7812, 27640), (8292, 26040), (8680, 24876), (8928, 24185), (9674, 22320), (9765, 22112), (10080, 21421), (10365, 20832), (10416, 20730), (11056, 19530), (11160, 19348), (12438, 17360), (13020, 16584), (13820, 15624), (14511, 14880)]