2856840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 10368000

約数和(自身を除く): 7511160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 179, 190, 210, 228, 266, 280, 285, 358, 380, 399, 420, 456, 532, 537, 570, 665, 716, 760, 798, 840, 895, 1064, 1074, 1140, 1253, 1330, 1432, 1596, 1790, 1995, 2148, 2280, 2506, 2660, 2685, 3192, 3401, 3580, 3759, 3990, 4296, 5012, 5320, 5370, 6265, 6802, 7160, 7518, 7980, 10024, 10203, 10740, 12530, 13604, 15036, 15960, 17005, 18795, 20406, 21480, 23807, 25060, 27208, 30072, 34010, 37590, 40812, 47614, 50120, 51015, 68020, 71421, 75180, 81624, 95228, 102030, 119035, 136040, 142842, 150360, 190456, 204060, 238070, 285684, 357105, 408120, 476140, 571368, 714210, 952280, 1428420, 2856840]

約数ペア:

[(1, 2856840), (2, 1428420), (3, 952280), (4, 714210), (5, 571368), (6, 476140), (7, 408120), (8, 357105), (10, 285684), (12, 238070), (14, 204060), (15, 190456), (19, 150360), (20, 142842), (21, 136040), (24, 119035), (28, 102030), (30, 95228), (35, 81624), (38, 75180), (40, 71421), (42, 68020), (56, 51015), (57, 50120), (60, 47614), (70, 40812), (76, 37590), (84, 34010), (95, 30072), (105, 27208), (114, 25060), (120, 23807), (133, 21480), (140, 20406), (152, 18795), (168, 17005), (179, 15960), (190, 15036), (210, 13604), (228, 12530), (266, 10740), (280, 10203), (285, 10024), (358, 7980), (380, 7518), (399, 7160), (420, 6802), (456, 6265), (532, 5370), (537, 5320), (570, 5012), (665, 4296), (716, 3990), (760, 3759), (798, 3580), (840, 3401), (895, 3192), (1064, 2685), (1074, 2660), (1140, 2506), (1253, 2280), (1330, 2148), (1432, 1995), (1596, 1790)]