645480780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7963}}^1$

素因数の和:8175

約数の個数: 96

約数和(自身を含む): 2076501504

約数和(自身を除く): 1431020724

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, 193, 210, 386, 420, 579, 772, 965, 1158, 1351, 1930, 2316, 2702, 2895, 3860, 4053, 5404, 5790, 6755, 7963, 8106, 11580, 13510, 15926, 16212, 20265, 23889, 27020, 31852, 39815, 40530, 47778, 55741, 79630, 81060, 95556, 111482, 119445, 159260, 167223, 222964, 238890, 278705, 334446, 477780, 557410, 668892, 836115, 1114820, 1536859, 1672230, 3073718, 3344460, 4610577, 6147436, 7684295, 9221154, 10758013, 15368590, 18442308, 21516026, 23052885, 30737180, 32274039, 43032052, 46105770, 53790065, 64548078, 92211540, 107580130, 129096156, 161370195, 215160260, 322740390, 645480780]

約数ペア:

[(1, 645480780), (2, 322740390), (3, 215160260), (4, 161370195), (5, 129096156), (6, 107580130), (7, 92211540), (10, 64548078), (12, 53790065), (14, 46105770), (15, 43032052), (20, 32274039), (21, 30737180), (28, 23052885), (30, 21516026), (35, 18442308), (42, 15368590), (60, 10758013), (70, 9221154), (84, 7684295), (105, 6147436), (140, 4610577), (193, 3344460), (210, 3073718), (386, 1672230), (420, 1536859), (579, 1114820), (772, 836115), (965, 668892), (1158, 557410), (1351, 477780), (1930, 334446), (2316, 278705), (2702, 238890), (2895, 222964), (3860, 167223), (4053, 159260), (5404, 119445), (5790, 111482), (6755, 95556), (7963, 81060), (8106, 79630), (11580, 55741), (13510, 47778), (15926, 40530), (16212, 39815), (20265, 31852), (23889, 27020)]