161719290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4481}}^1$

素因数の和:4895

約数の個数: 48

約数和(自身を含む): 421612776

約数和(自身を除く): 259893486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 802, 1203, 2005, 2406, 3609, 4010, 4481, 6015, 7218, 8962, 12030, 13443, 18045, 22405, 26886, 36090, 40329, 44810, 67215, 80658, 134430, 201645, 403290, 1796881, 3593762, 5390643, 8984405, 10781286, 16171929, 17968810, 26953215, 32343858, 53906430, 80859645, 161719290]

約数ペア:

[(1, 161719290), (2, 80859645), (3, 53906430), (5, 32343858), (6, 26953215), (9, 17968810), (10, 16171929), (15, 10781286), (18, 8984405), (30, 5390643), (45, 3593762), (90, 1796881), (401, 403290), (802, 201645), (1203, 134430), (2005, 80658), (2406, 67215), (3609, 44810), (4010, 40329), (4481, 36090), (6015, 26886), (7218, 22405), (8962, 18045), (12030, 13443)]