68154615

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 136429920

約数和(自身を除く): 68275305

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 255, 285, 323, 405, 459, 513, 521, 765, 855, 969, 1377, 1539, 1563, 1615, 2295, 2565, 2605, 2907, 4689, 4845, 6885, 7695, 7815, 8721, 8857, 9899, 14067, 14535, 23445, 26163, 26571, 29697, 42201, 43605, 44285, 49495, 70335, 79713, 89091, 130815, 132855, 148485, 168283, 211005, 239139, 267273, 398565, 445455, 504849, 717417, 801819, 841415, 1195695, 1336365, 1514547, 2524245, 3587085, 4009095, 4543641, 7572735, 13630923, 22718205, 68154615]

約数ペア:

[(1, 68154615), (3, 22718205), (5, 13630923), (9, 7572735), (15, 4543641), (17, 4009095), (19, 3587085), (27, 2524245), (45, 1514547), (51, 1336365), (57, 1195695), (81, 841415), (85, 801819), (95, 717417), (135, 504849), (153, 445455), (171, 398565), (255, 267273), (285, 239139), (323, 211005), (405, 168283), (459, 148485), (513, 132855), (521, 130815), (765, 89091), (855, 79713), (969, 70335), (1377, 49495), (1539, 44285), (1563, 43605), (1615, 42201), (2295, 29697), (2565, 26571), (2605, 26163), (2907, 23445), (4689, 14535), (4845, 14067), (6885, 9899), (7695, 8857), (7815, 8721)]