1653960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 6220800

約数和(自身を除く): 4566840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 179, 210, 220, 231, 264, 280, 308, 330, 358, 385, 420, 440, 462, 537, 616, 660, 716, 770, 840, 895, 924, 1074, 1155, 1253, 1320, 1432, 1540, 1790, 1848, 1969, 2148, 2310, 2506, 2685, 3080, 3580, 3759, 3938, 4296, 4620, 5012, 5370, 5907, 6265, 7160, 7518, 7876, 9240, 9845, 10024, 10740, 11814, 12530, 13783, 15036, 15752, 18795, 19690, 21480, 23628, 25060, 27566, 29535, 30072, 37590, 39380, 41349, 47256, 50120, 55132, 59070, 68915, 75180, 78760, 82698, 110264, 118140, 137830, 150360, 165396, 206745, 236280, 275660, 330792, 413490, 551320, 826980, 1653960]

約数ペア:

[(1, 1653960), (2, 826980), (3, 551320), (4, 413490), (5, 330792), (6, 275660), (7, 236280), (8, 206745), (10, 165396), (11, 150360), (12, 137830), (14, 118140), (15, 110264), (20, 82698), (21, 78760), (22, 75180), (24, 68915), (28, 59070), (30, 55132), (33, 50120), (35, 47256), (40, 41349), (42, 39380), (44, 37590), (55, 30072), (56, 29535), (60, 27566), (66, 25060), (70, 23628), (77, 21480), (84, 19690), (88, 18795), (105, 15752), (110, 15036), (120, 13783), (132, 12530), (140, 11814), (154, 10740), (165, 10024), (168, 9845), (179, 9240), (210, 7876), (220, 7518), (231, 7160), (264, 6265), (280, 5907), (308, 5370), (330, 5012), (358, 4620), (385, 4296), (420, 3938), (440, 3759), (462, 3580), (537, 3080), (616, 2685), (660, 2506), (716, 2310), (770, 2148), (840, 1969), (895, 1848), (924, 1790), (1074, 1540), (1155, 1432), (1253, 1320)]