68148780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:999

約数の個数: 96

約数和(自身を含む): 219394560

約数和(自身を除く): 151245780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 211, 420, 422, 633, 769, 844, 1055, 1266, 1477, 1538, 2110, 2307, 2532, 2954, 3076, 3165, 3845, 4220, 4431, 4614, 5383, 5908, 6330, 7385, 7690, 8862, 9228, 10766, 11535, 12660, 14770, 15380, 16149, 17724, 21532, 22155, 23070, 26915, 29540, 32298, 44310, 46140, 53830, 64596, 80745, 88620, 107660, 161490, 162259, 322980, 324518, 486777, 649036, 811295, 973554, 1135813, 1622590, 1947108, 2271626, 2433885, 3245180, 3407439, 4543252, 4867770, 5679065, 6814878, 9735540, 11358130, 13629756, 17037195, 22716260, 34074390, 68148780]

約数ペア:

[(1, 68148780), (2, 34074390), (3, 22716260), (4, 17037195), (5, 13629756), (6, 11358130), (7, 9735540), (10, 6814878), (12, 5679065), (14, 4867770), (15, 4543252), (20, 3407439), (21, 3245180), (28, 2433885), (30, 2271626), (35, 1947108), (42, 1622590), (60, 1135813), (70, 973554), (84, 811295), (105, 649036), (140, 486777), (210, 324518), (211, 322980), (420, 162259), (422, 161490), (633, 107660), (769, 88620), (844, 80745), (1055, 64596), (1266, 53830), (1477, 46140), (1538, 44310), (2110, 32298), (2307, 29540), (2532, 26915), (2954, 23070), (3076, 22155), (3165, 21532), (3845, 17724), (4220, 16149), (4431, 15380), (4614, 14770), (5383, 12660), (5908, 11535), (6330, 10766), (7385, 9228), (7690, 8862)]