1656550140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{5563}}^1$

素因数の和:6291

約数の個数: 96

約数和(自身を含む): 5309391360

約数和(自身を除く): 3652841220

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, 210, 420, 709, 1418, 2127, 2836, 3545, 4254, 4963, 5563, 7090, 8508, 9926, 10635, 11126, 14180, 14889, 16689, 19852, 21270, 22252, 24815, 27815, 29778, 33378, 38941, 42540, 49630, 55630, 59556, 66756, 74445, 77882, 83445, 99260, 111260, 116823, 148890, 155764, 166890, 194705, 233646, 297780, 333780, 389410, 467292, 584115, 778820, 1168230, 2336460, 3944167, 7888334, 11832501, 15776668, 19720835, 23665002, 27609169, 39441670, 47330004, 55218338, 59162505, 78883340, 82827507, 110436676, 118325010, 138045845, 165655014, 236650020, 276091690, 331310028, 414137535, 552183380, 828275070, 1656550140]

約数ペア:

[(1, 1656550140), (2, 828275070), (3, 552183380), (4, 414137535), (5, 331310028), (6, 276091690), (7, 236650020), (10, 165655014), (12, 138045845), (14, 118325010), (15, 110436676), (20, 82827507), (21, 78883340), (28, 59162505), (30, 55218338), (35, 47330004), (42, 39441670), (60, 27609169), (70, 23665002), (84, 19720835), (105, 15776668), (140, 11832501), (210, 7888334), (420, 3944167), (709, 2336460), (1418, 1168230), (2127, 778820), (2836, 584115), (3545, 467292), (4254, 389410), (4963, 333780), (5563, 297780), (7090, 233646), (8508, 194705), (9926, 166890), (10635, 155764), (11126, 148890), (14180, 116823), (14889, 111260), (16689, 99260), (19852, 83445), (21270, 77882), (22252, 74445), (24815, 66756), (27815, 59556), (29778, 55630), (33378, 49630), (38941, 42540)]