66567440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 162959808

約数和(自身を除く): 96392368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 523, 592, 688, 740, 860, 1046, 1480, 1591, 1720, 2092, 2615, 2960, 3182, 3440, 4184, 5230, 6364, 7955, 8368, 10460, 12728, 15910, 19351, 20920, 22489, 25456, 31820, 38702, 41840, 44978, 63640, 77404, 89956, 96755, 112445, 127280, 154808, 179912, 193510, 224890, 309616, 359824, 387020, 449780, 774040, 832093, 899560, 1548080, 1664186, 1799120, 3328372, 4160465, 6656744, 8320930, 13313488, 16641860, 33283720, 66567440]

約数ペア:

[(1, 66567440), (2, 33283720), (4, 16641860), (5, 13313488), (8, 8320930), (10, 6656744), (16, 4160465), (20, 3328372), (37, 1799120), (40, 1664186), (43, 1548080), (74, 899560), (80, 832093), (86, 774040), (148, 449780), (172, 387020), (185, 359824), (215, 309616), (296, 224890), (344, 193510), (370, 179912), (430, 154808), (523, 127280), (592, 112445), (688, 96755), (740, 89956), (860, 77404), (1046, 63640), (1480, 44978), (1591, 41840), (1720, 38702), (2092, 31820), (2615, 25456), (2960, 22489), (3182, 20920), (3440, 19351), (4184, 15910), (5230, 12728), (6364, 10460), (7955, 8368)]