68474280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81517}}^1$

素因数の和:81538

約数の個数: 64

約数和(自身を含む): 234771840

約数和(自身を除く): 166297560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81517, 163034, 244551, 326068, 407585, 489102, 570619, 652136, 815170, 978204, 1141238, 1222755, 1630340, 1711857, 1956408, 2282476, 2445510, 2853095, 3260680, 3423714, 4564952, 4891020, 5706190, 6847428, 8559285, 9782040, 11412380, 13694856, 17118570, 22824760, 34237140, 68474280]

約数ペア:

[(1, 68474280), (2, 34237140), (3, 22824760), (4, 17118570), (5, 13694856), (6, 11412380), (7, 9782040), (8, 8559285), (10, 6847428), (12, 5706190), (14, 4891020), (15, 4564952), (20, 3423714), (21, 3260680), (24, 2853095), (28, 2445510), (30, 2282476), (35, 1956408), (40, 1711857), (42, 1630340), (56, 1222755), (60, 1141238), (70, 978204), (84, 815170), (105, 652136), (120, 570619), (140, 489102), (168, 407585), (210, 326068), (280, 244551), (420, 163034), (840, 81517)]