68968240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 176301216

約数和(自身を除く): 107332976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 433, 440, 724, 866, 880, 905, 1448, 1732, 1810, 1991, 2165, 2896, 3464, 3620, 3982, 4330, 4763, 6928, 7240, 7964, 8660, 9526, 9955, 14480, 15928, 17320, 19052, 19910, 23815, 31856, 34640, 38104, 39820, 47630, 76208, 78373, 79640, 95260, 156746, 159280, 190520, 313492, 381040, 391865, 626984, 783730, 862103, 1253968, 1567460, 1724206, 3134920, 3448412, 4310515, 6269840, 6896824, 8621030, 13793648, 17242060, 34484120, 68968240]

約数ペア:

[(1, 68968240), (2, 34484120), (4, 17242060), (5, 13793648), (8, 8621030), (10, 6896824), (11, 6269840), (16, 4310515), (20, 3448412), (22, 3134920), (40, 1724206), (44, 1567460), (55, 1253968), (80, 862103), (88, 783730), (110, 626984), (176, 391865), (181, 381040), (220, 313492), (362, 190520), (433, 159280), (440, 156746), (724, 95260), (866, 79640), (880, 78373), (905, 76208), (1448, 47630), (1732, 39820), (1810, 38104), (1991, 34640), (2165, 31856), (2896, 23815), (3464, 19910), (3620, 19052), (3982, 17320), (4330, 15928), (4763, 14480), (6928, 9955), (7240, 9526), (7964, 8660)]