68161720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{14083}}^1$

素因数の和:14116

約数の個数: 48

約数和(自身を含む): 168585480

約数和(自身を除く): 100423760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 14083, 28166, 56332, 70415, 112664, 140830, 154913, 281660, 309826, 563320, 619652, 774565, 1239304, 1549130, 1704043, 3098260, 3408086, 6196520, 6816172, 8520215, 13632344, 17040430, 34080860, 68161720]

約数ペア:

[(1, 68161720), (2, 34080860), (4, 17040430), (5, 13632344), (8, 8520215), (10, 6816172), (11, 6196520), (20, 3408086), (22, 3098260), (40, 1704043), (44, 1549130), (55, 1239304), (88, 774565), (110, 619652), (121, 563320), (220, 309826), (242, 281660), (440, 154913), (484, 140830), (605, 112664), (968, 70415), (1210, 56332), (2420, 28166), (4840, 14083)]