68318475

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 116703840

約数和(自身を除く): 48385365

約数列:

[1, 3, 5, 15, 25, 61, 75, 109, 137, 183, 305, 327, 411, 545, 685, 915, 1525, 1635, 2055, 2725, 3425, 4575, 6649, 8175, 8357, 10275, 14933, 19947, 25071, 33245, 41785, 44799, 74665, 99735, 125355, 166225, 208925, 223995, 373325, 498675, 626775, 910913, 1119975, 2732739, 4554565, 13663695, 22772825, 68318475]

約数ペア:

[(1, 68318475), (3, 22772825), (5, 13663695), (15, 4554565), (25, 2732739), (61, 1119975), (75, 910913), (109, 626775), (137, 498675), (183, 373325), (305, 223995), (327, 208925), (411, 166225), (545, 125355), (685, 99735), (915, 74665), (1525, 44799), (1635, 41785), (2055, 33245), (2725, 25071), (3425, 19947), (4575, 14933), (6649, 10275), (8175, 8357)]