66049720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3556

約数の個数: 64

約数和(自身を含む): 165939840

約数和(自身を除く): 99890120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3491, 3784, 4730, 6982, 9460, 13964, 17455, 18920, 27928, 34910, 38401, 69820, 76802, 139640, 150113, 153604, 192005, 300226, 307208, 384010, 600452, 750565, 768020, 1200904, 1501130, 1536040, 1651243, 3002260, 3302486, 6004520, 6604972, 8256215, 13209944, 16512430, 33024860, 66049720]

約数ペア:

[(1, 66049720), (2, 33024860), (4, 16512430), (5, 13209944), (8, 8256215), (10, 6604972), (11, 6004520), (20, 3302486), (22, 3002260), (40, 1651243), (43, 1536040), (44, 1501130), (55, 1200904), (86, 768020), (88, 750565), (110, 600452), (172, 384010), (215, 307208), (220, 300226), (344, 192005), (430, 153604), (440, 150113), (473, 139640), (860, 76802), (946, 69820), (1720, 38401), (1892, 34910), (2365, 27928), (3491, 18920), (3784, 17455), (4730, 13964), (6982, 9460)]