68419780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 172730880

約数和(自身を除く): 104311100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 143, 188, 220, 235, 260, 286, 470, 509, 517, 572, 611, 715, 940, 1018, 1034, 1222, 1430, 2036, 2068, 2444, 2545, 2585, 2860, 3055, 5090, 5170, 5599, 6110, 6617, 6721, 10180, 10340, 11198, 12220, 13234, 13442, 22396, 23923, 26468, 26884, 27995, 33085, 33605, 47846, 55990, 66170, 67210, 72787, 95692, 111980, 119615, 132340, 134420, 145574, 239230, 263153, 291148, 310999, 363935, 478460, 526306, 621998, 727870, 1052612, 1243996, 1315765, 1455740, 1554995, 2631530, 3109990, 3420989, 5263060, 6219980, 6841978, 13683956, 17104945, 34209890, 68419780]

約数ペア:

[(1, 68419780), (2, 34209890), (4, 17104945), (5, 13683956), (10, 6841978), (11, 6219980), (13, 5263060), (20, 3420989), (22, 3109990), (26, 2631530), (44, 1554995), (47, 1455740), (52, 1315765), (55, 1243996), (65, 1052612), (94, 727870), (110, 621998), (130, 526306), (143, 478460), (188, 363935), (220, 310999), (235, 291148), (260, 263153), (286, 239230), (470, 145574), (509, 134420), (517, 132340), (572, 119615), (611, 111980), (715, 95692), (940, 72787), (1018, 67210), (1034, 66170), (1222, 55990), (1430, 47846), (2036, 33605), (2068, 33085), (2444, 27995), (2545, 26884), (2585, 26468), (2860, 23923), (3055, 22396), (5090, 13442), (5170, 13234), (5599, 12220), (6110, 11198), (6617, 10340), (6721, 10180)]