221455440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307577}}^1$

素因数の和:307596

約数の個数: 60

約数和(自身を含む): 743723604

約数和(自身を除く): 522268164

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307577, 615154, 922731, 1230308, 1537885, 1845462, 2460616, 2768193, 3075770, 3690924, 4613655, 4921232, 5536386, 6151540, 7381848, 9227310, 11072772, 12303080, 13840965, 14763696, 18454620, 22145544, 24606160, 27681930, 36909240, 44291088, 55363860, 73818480, 110727720, 221455440]

約数ペア:

[(1, 221455440), (2, 110727720), (3, 73818480), (4, 55363860), (5, 44291088), (6, 36909240), (8, 27681930), (9, 24606160), (10, 22145544), (12, 18454620), (15, 14763696), (16, 13840965), (18, 12303080), (20, 11072772), (24, 9227310), (30, 7381848), (36, 6151540), (40, 5536386), (45, 4921232), (48, 4613655), (60, 3690924), (72, 3075770), (80, 2768193), (90, 2460616), (120, 1845462), (144, 1537885), (180, 1230308), (240, 922731), (360, 615154), (720, 307577)]