12686800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 36533376

約数和(自身を除く): 23846576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 197, 200, 230, 280, 322, 350, 368, 394, 400, 460, 560, 575, 644, 700, 788, 805, 920, 985, 1150, 1288, 1379, 1400, 1576, 1610, 1840, 1970, 2300, 2576, 2758, 2800, 3152, 3220, 3940, 4025, 4531, 4600, 4925, 5516, 6440, 6895, 7880, 8050, 9062, 9200, 9850, 11032, 12880, 13790, 15760, 16100, 18124, 19700, 22064, 22655, 27580, 31717, 32200, 34475, 36248, 39400, 45310, 55160, 63434, 64400, 68950, 72496, 78800, 90620, 110320, 113275, 126868, 137900, 158585, 181240, 226550, 253736, 275800, 317170, 362480, 453100, 507472, 551600, 634340, 792925, 906200, 1268680, 1585850, 1812400, 2537360, 3171700, 6343400, 12686800]

約数ペア:

[(1, 12686800), (2, 6343400), (4, 3171700), (5, 2537360), (7, 1812400), (8, 1585850), (10, 1268680), (14, 906200), (16, 792925), (20, 634340), (23, 551600), (25, 507472), (28, 453100), (35, 362480), (40, 317170), (46, 275800), (50, 253736), (56, 226550), (70, 181240), (80, 158585), (92, 137900), (100, 126868), (112, 113275), (115, 110320), (140, 90620), (161, 78800), (175, 72496), (184, 68950), (197, 64400), (200, 63434), (230, 55160), (280, 45310), (322, 39400), (350, 36248), (368, 34475), (394, 32200), (400, 31717), (460, 27580), (560, 22655), (575, 22064), (644, 19700), (700, 18124), (788, 16100), (805, 15760), (920, 13790), (985, 12880), (1150, 11032), (1288, 9850), (1379, 9200), (1400, 9062), (1576, 8050), (1610, 7880), (1840, 6895), (1970, 6440), (2300, 5516), (2576, 4925), (2758, 4600), (2800, 4531), (3152, 4025), (3220, 3940)]