164494660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 384026328

約数和(自身を除く): 219531668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 673, 1010, 1111, 1210, 1346, 2020, 2222, 2420, 2692, 3365, 4444, 5555, 6730, 7403, 11110, 12221, 13460, 14806, 22220, 24442, 29612, 37015, 48884, 61105, 67973, 74030, 81433, 122210, 135946, 148060, 162866, 244420, 271892, 325732, 339865, 407165, 679730, 747703, 814330, 1359460, 1495406, 1628660, 2990812, 3738515, 7477030, 8224733, 14954060, 16449466, 32898932, 41123665, 82247330, 164494660]

約数ペア:

[(1, 164494660), (2, 82247330), (4, 41123665), (5, 32898932), (10, 16449466), (11, 14954060), (20, 8224733), (22, 7477030), (44, 3738515), (55, 2990812), (101, 1628660), (110, 1495406), (121, 1359460), (202, 814330), (220, 747703), (242, 679730), (404, 407165), (484, 339865), (505, 325732), (605, 271892), (673, 244420), (1010, 162866), (1111, 148060), (1210, 135946), (1346, 122210), (2020, 81433), (2222, 74030), (2420, 67973), (2692, 61105), (3365, 48884), (4444, 37015), (5555, 29612), (6730, 24442), (7403, 22220), (11110, 14806), (12221, 13460)]