15899390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 33445440

約数和(自身を除く): 17546050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 157, 190, 205, 247, 314, 410, 494, 533, 779, 785, 1066, 1235, 1558, 1570, 2041, 2470, 2665, 2983, 3895, 4082, 5330, 5966, 6437, 7790, 10127, 10205, 12874, 14915, 20254, 20410, 29830, 32185, 38779, 50635, 64370, 77558, 83681, 101270, 122303, 167362, 193895, 244606, 387790, 418405, 611515, 836810, 1223030, 1589939, 3179878, 7949695, 15899390]

約数ペア:

[(1, 15899390), (2, 7949695), (5, 3179878), (10, 1589939), (13, 1223030), (19, 836810), (26, 611515), (38, 418405), (41, 387790), (65, 244606), (82, 193895), (95, 167362), (130, 122303), (157, 101270), (190, 83681), (205, 77558), (247, 64370), (314, 50635), (410, 38779), (494, 32185), (533, 29830), (779, 20410), (785, 20254), (1066, 14915), (1235, 12874), (1558, 10205), (1570, 10127), (2041, 7790), (2470, 6437), (2665, 5966), (2983, 5330), (3895, 4082)]