1578231480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{81689}}^1$

素因数の和:81733

約数の個数: 128

約数和(自身を含む): 5646412800

約数和(自身を除く): 4068181320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 81689, 163378, 245067, 326756, 408445, 490134, 571823, 653512, 816890, 980268, 1143646, 1225335, 1633780, 1715469, 1878847, 1960536, 2287292, 2450670, 2859115, 3267560, 3430938, 3757694, 4574584, 4901340, 5636541, 5718230, 6861876, 7515388, 8577345, 9394235, 9802680, 11273082, 11436460, 13151929, 13723752, 15030776, 17154690, 18788470, 22546164, 22872920, 26303858, 28182705, 34309380, 37576940, 39455787, 45092328, 52607716, 56365410, 65759645, 68618760, 75153880, 78911574, 105215432, 112730820, 131519290, 157823148, 197278935, 225461640, 263038580, 315646296, 394557870, 526077160, 789115740, 1578231480]

約数ペア:

[(1, 1578231480), (2, 789115740), (3, 526077160), (4, 394557870), (5, 315646296), (6, 263038580), (7, 225461640), (8, 197278935), (10, 157823148), (12, 131519290), (14, 112730820), (15, 105215432), (20, 78911574), (21, 75153880), (23, 68618760), (24, 65759645), (28, 56365410), (30, 52607716), (35, 45092328), (40, 39455787), (42, 37576940), (46, 34309380), (56, 28182705), (60, 26303858), (69, 22872920), (70, 22546164), (84, 18788470), (92, 17154690), (105, 15030776), (115, 13723752), (120, 13151929), (138, 11436460), (140, 11273082), (161, 9802680), (168, 9394235), (184, 8577345), (210, 7515388), (230, 6861876), (276, 5718230), (280, 5636541), (322, 4901340), (345, 4574584), (420, 3757694), (460, 3430938), (483, 3267560), (552, 2859115), (644, 2450670), (690, 2287292), (805, 1960536), (840, 1878847), (920, 1715469), (966, 1633780), (1288, 1225335), (1380, 1143646), (1610, 980268), (1932, 816890), (2415, 653512), (2760, 571823), (3220, 490134), (3864, 408445), (4830, 326756), (6440, 245067), (9660, 163378), (19320, 81689)]