161942760

素因数分解:

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

素因数の和:749

約数の個数: 256

約数和(自身を含む): 637747200

約数和(自身を除く): 475804440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 691, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1240, 1260, 1302, 1382, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 2073, 2170, 2232, 2520, 2604, 2764, 2790, 3255, 3348, 3455, 3720, 3780, 3906, 4146, 4185, 4340, 4837, 5208, 5528, 5580, 5859, 6219, 6510, 6696, 6910, 7560, 7812, 8292, 8370, 8680, 9674, 9765, 10365, 11160, 11718, 12438, 13020, 13820, 14511, 15624, 16584, 16740, 18657, 19348, 19530, 20730, 21421, 23436, 24185, 24876, 26040, 27640, 29022, 29295, 31095, 33480, 37314, 38696, 39060, 41460, 42842, 43533, 46872, 48370, 49752, 58044, 58590, 62190, 64263, 72555, 74628, 78120, 82920, 85684, 87066, 93285, 96740, 107105, 116088, 117180, 124380, 128526, 130599, 145110, 149256, 149947, 171368, 174132, 186570, 192789, 193480, 214210, 217665, 234360, 248760, 257052, 261198, 290220, 299894, 321315, 348264, 373140, 385578, 428420, 435330, 449841, 514104, 522396, 578367, 580440, 599788, 642630, 652995, 746280, 749735, 771156, 856840, 870660, 899682, 963945, 1044792, 1156734, 1199576, 1285260, 1305990, 1349523, 1499470, 1542312, 1741320, 1799364, 1927890, 2249205, 2313468, 2570520, 2611980, 2699046, 2891835, 2998940, 3598728, 3855780, 4048569, 4498410, 4626936, 5223960, 5398092, 5783670, 5997880, 6747615, 7711560, 8097138, 8996820, 10796184, 11567340, 13495230, 16194276, 17993640, 20242845, 23134680, 26990460, 32388552, 40485690, 53980920, 80971380, 161942760]

約数ペア:

[(1, 161942760), (2, 80971380), (3, 53980920), (4, 40485690), (5, 32388552), (6, 26990460), (7, 23134680), (8, 20242845), (9, 17993640), (10, 16194276), (12, 13495230), (14, 11567340), (15, 10796184), (18, 8996820), (20, 8097138), (21, 7711560), (24, 6747615), (27, 5997880), (28, 5783670), (30, 5398092), (31, 5223960), (35, 4626936), (36, 4498410), (40, 4048569), (42, 3855780), (45, 3598728), (54, 2998940), (56, 2891835), (60, 2699046), (62, 2611980), (63, 2570520), (70, 2313468), (72, 2249205), (84, 1927890), (90, 1799364), (93, 1741320), (105, 1542312), (108, 1499470), (120, 1349523), (124, 1305990), (126, 1285260), (135, 1199576), (140, 1156734), (155, 1044792), (168, 963945), (180, 899682), (186, 870660), (189, 856840), (210, 771156), (216, 749735), (217, 746280), (248, 652995), (252, 642630), (270, 599788), (279, 580440), (280, 578367), (310, 522396), (315, 514104), (360, 449841), (372, 435330), (378, 428420), (420, 385578), (434, 373140), (465, 348264), (504, 321315), (540, 299894), (558, 290220), (620, 261198), (630, 257052), (651, 248760), (691, 234360), (744, 217665), (756, 214210), (837, 193480), (840, 192789), (868, 186570), (930, 174132), (945, 171368), (1080, 149947), (1085, 149256), (1116, 145110), (1240, 130599), (1260, 128526), (1302, 124380), (1382, 117180), (1395, 116088), (1512, 107105), (1674, 96740), (1736, 93285), (1860, 87066), (1890, 85684), (1953, 82920), (2073, 78120), (2170, 74628), (2232, 72555), (2520, 64263), (2604, 62190), (2764, 58590), (2790, 58044), (3255, 49752), (3348, 48370), (3455, 46872), (3720, 43533), (3780, 42842), (3906, 41460), (4146, 39060), (4185, 38696), (4340, 37314), (4837, 33480), (5208, 31095), (5528, 29295), (5580, 29022), (5859, 27640), (6219, 26040), (6510, 24876), (6696, 24185), (6910, 23436), (7560, 21421), (7812, 20730), (8292, 19530), (8370, 19348), (8680, 18657), (9674, 16740), (9765, 16584), (10365, 15624), (11160, 14511), (11718, 13820), (12438, 13020)]