720648315

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 1272960000

約数和(自身を除く): 552311685

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 479, 499, 603, 1005, 1437, 1497, 2395, 2495, 3015, 4311, 4491, 7185, 7485, 21555, 22455, 32093, 33433, 96279, 100299, 160465, 167165, 239021, 288837, 300897, 481395, 501495, 717063, 1195105, 1444185, 1504485, 2151189, 3585315, 10755945, 16014407, 48043221, 80072035, 144129663, 240216105, 720648315]

約数ペア:

[(1, 720648315), (3, 240216105), (5, 144129663), (9, 80072035), (15, 48043221), (45, 16014407), (67, 10755945), (201, 3585315), (335, 2151189), (479, 1504485), (499, 1444185), (603, 1195105), (1005, 717063), (1437, 501495), (1497, 481395), (2395, 300897), (2495, 288837), (3015, 239021), (4311, 167165), (4491, 160465), (7185, 100299), (7485, 96279), (21555, 33433), (22455, 32093)]