144180520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1553}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 355803840

約数和(自身を除く): 211623320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 844, 1055, 1553, 1688, 2110, 2321, 3106, 4220, 4642, 6212, 7765, 8440, 9284, 11605, 12424, 15530, 17083, 18568, 23210, 31060, 34166, 46420, 62120, 68332, 85415, 92840, 136664, 170830, 327683, 341660, 655366, 683320, 1310732, 1638415, 2621464, 3276830, 3604513, 6553660, 7209026, 13107320, 14418052, 18022565, 28836104, 36045130, 72090260, 144180520]

約数ペア:

[(1, 144180520), (2, 72090260), (4, 36045130), (5, 28836104), (8, 18022565), (10, 14418052), (11, 13107320), (20, 7209026), (22, 6553660), (40, 3604513), (44, 3276830), (55, 2621464), (88, 1638415), (110, 1310732), (211, 683320), (220, 655366), (422, 341660), (440, 327683), (844, 170830), (1055, 136664), (1553, 92840), (1688, 85415), (2110, 68332), (2321, 62120), (3106, 46420), (4220, 34166), (4642, 31060), (6212, 23210), (7765, 18568), (8440, 17083), (9284, 15530), (11605, 12424)]