180860810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2055

約数の個数: 64

約数和(自身を含む): 379209600

約数和(自身を除く): 198348790

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 185, 190, 247, 370, 481, 494, 703, 962, 1235, 1406, 1979, 2405, 2470, 3515, 3958, 4810, 7030, 9139, 9895, 18278, 19790, 25727, 37601, 45695, 51454, 73223, 75202, 91390, 128635, 146446, 188005, 257270, 366115, 376010, 488813, 732230, 951899, 977626, 1391237, 1903798, 2444065, 2782474, 4759495, 4888130, 6956185, 9518990, 13912370, 18086081, 36172162, 90430405, 180860810]

約数ペア:

[(1, 180860810), (2, 90430405), (5, 36172162), (10, 18086081), (13, 13912370), (19, 9518990), (26, 6956185), (37, 4888130), (38, 4759495), (65, 2782474), (74, 2444065), (95, 1903798), (130, 1391237), (185, 977626), (190, 951899), (247, 732230), (370, 488813), (481, 376010), (494, 366115), (703, 257270), (962, 188005), (1235, 146446), (1406, 128635), (1979, 91390), (2405, 75202), (2470, 73223), (3515, 51454), (3958, 45695), (4810, 37601), (7030, 25727), (9139, 19790), (9895, 18278)]