15877890

素因数分解:

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

素因数の和:325

約数の個数: 128

約数和(自身を含む): 50135040

約数和(自身を除く): 34257150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 271, 279, 310, 315, 378, 434, 465, 542, 558, 630, 651, 813, 837, 930, 945, 1085, 1302, 1355, 1395, 1626, 1674, 1890, 1897, 1953, 2170, 2439, 2710, 2790, 3255, 3794, 3906, 4065, 4185, 4878, 5691, 5859, 6510, 7317, 8130, 8370, 8401, 9485, 9765, 11382, 11718, 12195, 14634, 16802, 17073, 18970, 19530, 24390, 25203, 28455, 29295, 34146, 36585, 42005, 50406, 51219, 56910, 58590, 58807, 73170, 75609, 84010, 85365, 102438, 117614, 126015, 151218, 170730, 176421, 226827, 252030, 256095, 294035, 352842, 378045, 453654, 512190, 529263, 588070, 756090, 882105, 1058526, 1134135, 1587789, 1764210, 2268270, 2646315, 3175578, 5292630, 7938945, 15877890]

約数ペア:

[(1, 15877890), (2, 7938945), (3, 5292630), (5, 3175578), (6, 2646315), (7, 2268270), (9, 1764210), (10, 1587789), (14, 1134135), (15, 1058526), (18, 882105), (21, 756090), (27, 588070), (30, 529263), (31, 512190), (35, 453654), (42, 378045), (45, 352842), (54, 294035), (62, 256095), (63, 252030), (70, 226827), (90, 176421), (93, 170730), (105, 151218), (126, 126015), (135, 117614), (155, 102438), (186, 85365), (189, 84010), (210, 75609), (217, 73170), (270, 58807), (271, 58590), (279, 56910), (310, 51219), (315, 50406), (378, 42005), (434, 36585), (465, 34146), (542, 29295), (558, 28455), (630, 25203), (651, 24390), (813, 19530), (837, 18970), (930, 17073), (945, 16802), (1085, 14634), (1302, 12195), (1355, 11718), (1395, 11382), (1626, 9765), (1674, 9485), (1890, 8401), (1897, 8370), (1953, 8130), (2170, 7317), (2439, 6510), (2710, 5859), (2790, 5691), (3255, 4878), (3794, 4185), (3906, 4065)]