68449160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 167227200

約数和(自身を除く): 98778040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 947, 1112, 1390, 1807, 1894, 2780, 3614, 3788, 4735, 5560, 7228, 7576, 9035, 9470, 12311, 14456, 18070, 18940, 24622, 36140, 37880, 49244, 61555, 72280, 98488, 123110, 131633, 246220, 263266, 492440, 526532, 658165, 1053064, 1316330, 1711229, 2632660, 3422458, 5265320, 6844916, 8556145, 13689832, 17112290, 34224580, 68449160]

約数ペア:

[(1, 68449160), (2, 34224580), (4, 17112290), (5, 13689832), (8, 8556145), (10, 6844916), (13, 5265320), (20, 3422458), (26, 2632660), (40, 1711229), (52, 1316330), (65, 1053064), (104, 658165), (130, 526532), (139, 492440), (260, 263266), (278, 246220), (520, 131633), (556, 123110), (695, 98488), (947, 72280), (1112, 61555), (1390, 49244), (1807, 37880), (1894, 36140), (2780, 24622), (3614, 18940), (3788, 18070), (4735, 14456), (5560, 12311), (7228, 9470), (7576, 9035)]