2158216640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1294

約数の個数: 112

約数和(自身を含む): 5458858272

約数和(自身を除く): 3300641632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 617, 643, 680, 1088, 1234, 1286, 1360, 2468, 2572, 2720, 3085, 3215, 4936, 5144, 5440, 6170, 6430, 9872, 10288, 10489, 10931, 12340, 12860, 19744, 20576, 20978, 21862, 24680, 25720, 39488, 41152, 41956, 43724, 49360, 51440, 52445, 54655, 83912, 87448, 98720, 102880, 104890, 109310, 167824, 174896, 197440, 205760, 209780, 218620, 335648, 349792, 396731, 419560, 437240, 671296, 699584, 793462, 839120, 874480, 1586924, 1678240, 1748960, 1983655, 3173848, 3356480, 3497920, 3967310, 6347696, 6744427, 7934620, 12695392, 13488854, 15869240, 25390784, 26977708, 31738480, 33722135, 53955416, 63476960, 67444270, 107910832, 126953920, 134888540, 215821664, 269777080, 431643328, 539554160, 1079108320, 2158216640]

約数ペア:

[(1, 2158216640), (2, 1079108320), (4, 539554160), (5, 431643328), (8, 269777080), (10, 215821664), (16, 134888540), (17, 126953920), (20, 107910832), (32, 67444270), (34, 63476960), (40, 53955416), (64, 33722135), (68, 31738480), (80, 26977708), (85, 25390784), (136, 15869240), (160, 13488854), (170, 12695392), (272, 7934620), (320, 6744427), (340, 6347696), (544, 3967310), (617, 3497920), (643, 3356480), (680, 3173848), (1088, 1983655), (1234, 1748960), (1286, 1678240), (1360, 1586924), (2468, 874480), (2572, 839120), (2720, 793462), (3085, 699584), (3215, 671296), (4936, 437240), (5144, 419560), (5440, 396731), (6170, 349792), (6430, 335648), (9872, 218620), (10288, 209780), (10489, 205760), (10931, 197440), (12340, 174896), (12860, 167824), (19744, 109310), (20576, 104890), (20978, 102880), (21862, 98720), (24680, 87448), (25720, 83912), (39488, 54655), (41152, 52445), (41956, 51440), (43724, 49360)]