80971380

素因数分解:

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

素因数の和:747

約数の個数: 192

約数和(自身を含む): 297615360

約数和(自身を除く): 216643980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 691, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1382, 1395, 1674, 1860, 1890, 1953, 2073, 2170, 2604, 2764, 2790, 3255, 3348, 3455, 3780, 3906, 4146, 4185, 4340, 4837, 5580, 5859, 6219, 6510, 6910, 7812, 8292, 8370, 9674, 9765, 10365, 11718, 12438, 13020, 13820, 14511, 16740, 18657, 19348, 19530, 20730, 21421, 23436, 24185, 24876, 29022, 29295, 31095, 37314, 39060, 41460, 42842, 43533, 48370, 58044, 58590, 62190, 64263, 72555, 74628, 85684, 87066, 93285, 96740, 107105, 117180, 124380, 128526, 130599, 145110, 149947, 174132, 186570, 192789, 214210, 217665, 257052, 261198, 290220, 299894, 321315, 373140, 385578, 428420, 435330, 449841, 522396, 578367, 599788, 642630, 652995, 749735, 771156, 870660, 899682, 963945, 1156734, 1285260, 1305990, 1349523, 1499470, 1799364, 1927890, 2249205, 2313468, 2611980, 2699046, 2891835, 2998940, 3855780, 4048569, 4498410, 5398092, 5783670, 6747615, 8097138, 8996820, 11567340, 13495230, 16194276, 20242845, 26990460, 40485690, 80971380]

約数ペア:

[(1, 80971380), (2, 40485690), (3, 26990460), (4, 20242845), (5, 16194276), (6, 13495230), (7, 11567340), (9, 8996820), (10, 8097138), (12, 6747615), (14, 5783670), (15, 5398092), (18, 4498410), (20, 4048569), (21, 3855780), (27, 2998940), (28, 2891835), (30, 2699046), (31, 2611980), (35, 2313468), (36, 2249205), (42, 1927890), (45, 1799364), (54, 1499470), (60, 1349523), (62, 1305990), (63, 1285260), (70, 1156734), (84, 963945), (90, 899682), (93, 870660), (105, 771156), (108, 749735), (124, 652995), (126, 642630), (135, 599788), (140, 578367), (155, 522396), (180, 449841), (186, 435330), (189, 428420), (210, 385578), (217, 373140), (252, 321315), (270, 299894), (279, 290220), (310, 261198), (315, 257052), (372, 217665), (378, 214210), (420, 192789), (434, 186570), (465, 174132), (540, 149947), (558, 145110), (620, 130599), (630, 128526), (651, 124380), (691, 117180), (756, 107105), (837, 96740), (868, 93285), (930, 87066), (945, 85684), (1085, 74628), (1116, 72555), (1260, 64263), (1302, 62190), (1382, 58590), (1395, 58044), (1674, 48370), (1860, 43533), (1890, 42842), (1953, 41460), (2073, 39060), (2170, 37314), (2604, 31095), (2764, 29295), (2790, 29022), (3255, 24876), (3348, 24185), (3455, 23436), (3780, 21421), (3906, 20730), (4146, 19530), (4185, 19348), (4340, 18657), (4837, 16740), (5580, 14511), (5859, 13820), (6219, 13020), (6510, 12438), (6910, 11718), (7812, 10365), (8292, 9765), (8370, 9674)]