31755780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 116981760

約数和(自身を除く): 85225980

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, 271, 279, 310, 315, 372, 378, 420, 434, 465, 540, 542, 558, 620, 630, 651, 756, 813, 837, 868, 930, 945, 1084, 1085, 1116, 1260, 1302, 1355, 1395, 1626, 1674, 1860, 1890, 1897, 1953, 2170, 2439, 2604, 2710, 2790, 3252, 3255, 3348, 3780, 3794, 3906, 4065, 4185, 4340, 4878, 5420, 5580, 5691, 5859, 6510, 7317, 7588, 7812, 8130, 8370, 8401, 9485, 9756, 9765, 11382, 11718, 12195, 13020, 14634, 16260, 16740, 16802, 17073, 18970, 19530, 22764, 23436, 24390, 25203, 28455, 29268, 29295, 33604, 34146, 36585, 37940, 39060, 42005, 48780, 50406, 51219, 56910, 58590, 58807, 68292, 73170, 75609, 84010, 85365, 100812, 102438, 113820, 117180, 117614, 126015, 146340, 151218, 168020, 170730, 176421, 204876, 226827, 235228, 252030, 256095, 294035, 302436, 341460, 352842, 378045, 453654, 504060, 512190, 529263, 588070, 705684, 756090, 882105, 907308, 1024380, 1058526, 1134135, 1176140, 1512180, 1587789, 1764210, 2117052, 2268270, 2646315, 3175578, 3528420, 4536540, 5292630, 6351156, 7938945, 10585260, 15877890, 31755780]

約数ペア:

[(1, 31755780), (2, 15877890), (3, 10585260), (4, 7938945), (5, 6351156), (6, 5292630), (7, 4536540), (9, 3528420), (10, 3175578), (12, 2646315), (14, 2268270), (15, 2117052), (18, 1764210), (20, 1587789), (21, 1512180), (27, 1176140), (28, 1134135), (30, 1058526), (31, 1024380), (35, 907308), (36, 882105), (42, 756090), (45, 705684), (54, 588070), (60, 529263), (62, 512190), (63, 504060), (70, 453654), (84, 378045), (90, 352842), (93, 341460), (105, 302436), (108, 294035), (124, 256095), (126, 252030), (135, 235228), (140, 226827), (155, 204876), (180, 176421), (186, 170730), (189, 168020), (210, 151218), (217, 146340), (252, 126015), (270, 117614), (271, 117180), (279, 113820), (310, 102438), (315, 100812), (372, 85365), (378, 84010), (420, 75609), (434, 73170), (465, 68292), (540, 58807), (542, 58590), (558, 56910), (620, 51219), (630, 50406), (651, 48780), (756, 42005), (813, 39060), (837, 37940), (868, 36585), (930, 34146), (945, 33604), (1084, 29295), (1085, 29268), (1116, 28455), (1260, 25203), (1302, 24390), (1355, 23436), (1395, 22764), (1626, 19530), (1674, 18970), (1860, 17073), (1890, 16802), (1897, 16740), (1953, 16260), (2170, 14634), (2439, 13020), (2604, 12195), (2710, 11718), (2790, 11382), (3252, 9765), (3255, 9756), (3348, 9485), (3780, 8401), (3794, 8370), (3906, 8130), (4065, 7812), (4185, 7588), (4340, 7317), (4878, 6510), (5420, 5859), (5580, 5691)]