1320556875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1566

約数の個数: 80

約数和(自身を含む): 2457713280

約数和(自身を除く): 1137156405

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 125, 129, 165, 215, 275, 375, 473, 625, 645, 825, 1075, 1375, 1419, 1489, 1875, 2365, 3225, 4125, 4467, 5375, 6875, 7095, 7445, 11825, 16125, 16379, 20625, 22335, 26875, 35475, 37225, 49137, 59125, 64027, 80625, 81895, 111675, 177375, 186125, 192081, 245685, 295625, 320135, 409475, 558375, 704297, 886875, 930625, 960405, 1228425, 1600675, 2047375, 2112891, 2791875, 3521485, 4802025, 6142125, 8003375, 10236875, 10564455, 17607425, 24010125, 30710625, 40016875, 52822275, 88037125, 120050625, 264111375, 440185625, 1320556875]

約数ペア:

[(1, 1320556875), (3, 440185625), (5, 264111375), (11, 120050625), (15, 88037125), (25, 52822275), (33, 40016875), (43, 30710625), (55, 24010125), (75, 17607425), (125, 10564455), (129, 10236875), (165, 8003375), (215, 6142125), (275, 4802025), (375, 3521485), (473, 2791875), (625, 2112891), (645, 2047375), (825, 1600675), (1075, 1228425), (1375, 960405), (1419, 930625), (1489, 886875), (1875, 704297), (2365, 558375), (3225, 409475), (4125, 320135), (4467, 295625), (5375, 245685), (6875, 192081), (7095, 186125), (7445, 177375), (11825, 111675), (16125, 81895), (16379, 80625), (20625, 64027), (22335, 59125), (26875, 49137), (35475, 37225)]