320435355

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 558581760

約数和(自身を除く): 238146405

約数列:

[1, 3, 5, 15, 29, 37, 43, 87, 111, 129, 145, 185, 215, 435, 463, 555, 645, 1073, 1247, 1389, 1591, 2315, 3219, 3741, 4773, 5365, 6235, 6945, 7955, 13427, 16095, 17131, 18705, 19909, 23865, 40281, 46139, 51393, 59727, 67135, 85655, 99545, 138417, 201405, 230695, 256965, 298635, 496799, 577361, 692085, 736633, 1490397, 1732083, 2209899, 2483995, 2886805, 3683165, 7451985, 8660415, 11049495, 21362357, 64087071, 106811785, 320435355]

約数ペア:

[(1, 320435355), (3, 106811785), (5, 64087071), (15, 21362357), (29, 11049495), (37, 8660415), (43, 7451985), (87, 3683165), (111, 2886805), (129, 2483995), (145, 2209899), (185, 1732083), (215, 1490397), (435, 736633), (463, 692085), (555, 577361), (645, 496799), (1073, 298635), (1247, 256965), (1389, 230695), (1591, 201405), (2315, 138417), (3219, 99545), (3741, 85655), (4773, 67135), (5365, 59727), (6235, 51393), (6945, 46139), (7955, 40281), (13427, 23865), (16095, 19909), (17131, 18705)]