67840425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 129556440

約数和(自身を除く): 61716015

約数列:

[1, 3, 5, 9, 15, 25, 29, 37, 45, 75, 87, 111, 145, 185, 225, 261, 281, 333, 435, 555, 725, 843, 925, 1073, 1305, 1405, 1665, 2175, 2529, 2775, 3219, 4215, 5365, 6525, 7025, 8149, 8325, 9657, 10397, 12645, 16095, 21075, 24447, 26825, 31191, 40745, 48285, 51985, 63225, 73341, 80475, 93573, 122235, 155955, 203725, 241425, 259925, 301513, 366705, 467865, 611175, 779775, 904539, 1507565, 1833525, 2339325, 2713617, 4522695, 7537825, 13568085, 22613475, 67840425]

約数ペア:

[(1, 67840425), (3, 22613475), (5, 13568085), (9, 7537825), (15, 4522695), (25, 2713617), (29, 2339325), (37, 1833525), (45, 1507565), (75, 904539), (87, 779775), (111, 611175), (145, 467865), (185, 366705), (225, 301513), (261, 259925), (281, 241425), (333, 203725), (435, 155955), (555, 122235), (725, 93573), (843, 80475), (925, 73341), (1073, 63225), (1305, 51985), (1405, 48285), (1665, 40745), (2175, 31191), (2529, 26825), (2775, 24447), (3219, 21075), (4215, 16095), (5365, 12645), (6525, 10397), (7025, 9657), (8149, 8325)]