18868080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 72995328

約数和(自身を除く): 54127248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1021, 1155, 1232, 1320, 1540, 1680, 1848, 2042, 2310, 2640, 3063, 3080, 3696, 4084, 4620, 5105, 6126, 6160, 7147, 8168, 9240, 10210, 11231, 12252, 14294, 15315, 16336, 18480, 20420, 21441, 22462, 24504, 28588, 30630, 33693, 35735, 40840, 42882, 44924, 49008, 56155, 57176, 61260, 67386, 71470, 78617, 81680, 85764, 89848, 107205, 112310, 114352, 122520, 134772, 142940, 157234, 168465, 171528, 179696, 214410, 224620, 235851, 245040, 269544, 285880, 314468, 336930, 343056, 393085, 428820, 449240, 471702, 539088, 571760, 628936, 673860, 786170, 857640, 898480, 943404, 1179255, 1257872, 1347720, 1572340, 1715280, 1886808, 2358510, 2695440, 3144680, 3773616, 4717020, 6289360, 9434040, 18868080]

約数ペア:

[(1, 18868080), (2, 9434040), (3, 6289360), (4, 4717020), (5, 3773616), (6, 3144680), (7, 2695440), (8, 2358510), (10, 1886808), (11, 1715280), (12, 1572340), (14, 1347720), (15, 1257872), (16, 1179255), (20, 943404), (21, 898480), (22, 857640), (24, 786170), (28, 673860), (30, 628936), (33, 571760), (35, 539088), (40, 471702), (42, 449240), (44, 428820), (48, 393085), (55, 343056), (56, 336930), (60, 314468), (66, 285880), (70, 269544), (77, 245040), (80, 235851), (84, 224620), (88, 214410), (105, 179696), (110, 171528), (112, 168465), (120, 157234), (132, 142940), (140, 134772), (154, 122520), (165, 114352), (168, 112310), (176, 107205), (210, 89848), (220, 85764), (231, 81680), (240, 78617), (264, 71470), (280, 67386), (308, 61260), (330, 57176), (336, 56155), (385, 49008), (420, 44924), (440, 42882), (462, 40840), (528, 35735), (560, 33693), (616, 30630), (660, 28588), (770, 24504), (840, 22462), (880, 21441), (924, 20420), (1021, 18480), (1155, 16336), (1232, 15315), (1320, 14294), (1540, 12252), (1680, 11231), (1848, 10210), (2042, 9240), (2310, 8168), (2640, 7147), (3063, 6160), (3080, 6126), (3696, 5105), (4084, 4620)]