81697410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 120

約数和(自身を含む): 234026100

約数和(自身を除く): 152328690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 289, 306, 349, 405, 459, 510, 578, 698, 765, 810, 867, 918, 1047, 1377, 1445, 1530, 1734, 1745, 2094, 2295, 2601, 2754, 2890, 3141, 3490, 4335, 4590, 5202, 5235, 5933, 6282, 6885, 7803, 8670, 9423, 10470, 11866, 13005, 13770, 15606, 15705, 17799, 18846, 23409, 26010, 28269, 29665, 31410, 35598, 39015, 46818, 47115, 53397, 56538, 59330, 78030, 88995, 94230, 100861, 106794, 117045, 141345, 160191, 177990, 201722, 234090, 266985, 282690, 302583, 320382, 480573, 504305, 533970, 605166, 800955, 907749, 961146, 1008610, 1512915, 1601910, 1815498, 2402865, 2723247, 3025830, 4538745, 4805730, 5446494, 8169741, 9077490, 13616235, 16339482, 27232470, 40848705, 81697410]

約数ペア:

[(1, 81697410), (2, 40848705), (3, 27232470), (5, 16339482), (6, 13616235), (9, 9077490), (10, 8169741), (15, 5446494), (17, 4805730), (18, 4538745), (27, 3025830), (30, 2723247), (34, 2402865), (45, 1815498), (51, 1601910), (54, 1512915), (81, 1008610), (85, 961146), (90, 907749), (102, 800955), (135, 605166), (153, 533970), (162, 504305), (170, 480573), (255, 320382), (270, 302583), (289, 282690), (306, 266985), (349, 234090), (405, 201722), (459, 177990), (510, 160191), (578, 141345), (698, 117045), (765, 106794), (810, 100861), (867, 94230), (918, 88995), (1047, 78030), (1377, 59330), (1445, 56538), (1530, 53397), (1734, 47115), (1745, 46818), (2094, 39015), (2295, 35598), (2601, 31410), (2754, 29665), (2890, 28269), (3141, 26010), (3490, 23409), (4335, 18846), (4590, 17799), (5202, 15705), (5235, 15606), (5933, 13770), (6282, 13005), (6885, 11866), (7803, 10470), (8670, 9423)]