1278090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 3627936

約数和(自身を除く): 2349846

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 1291, 2582, 3873, 6455, 7746, 11619, 12910, 14201, 19365, 23238, 28402, 38730, 42603, 58095, 71005, 85206, 116190, 127809, 142010, 213015, 255618, 426030, 639045, 1278090]

約数ペア:

[(1, 1278090), (2, 639045), (3, 426030), (5, 255618), (6, 213015), (9, 142010), (10, 127809), (11, 116190), (15, 85206), (18, 71005), (22, 58095), (30, 42603), (33, 38730), (45, 28402), (55, 23238), (66, 19365), (90, 14201), (99, 12910), (110, 11619), (165, 7746), (198, 6455), (330, 3873), (495, 2582), (990, 1291)]