128578548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 389551680

約数和(自身を除く): 260973132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 49, 51, 57, 68, 76, 84, 98, 102, 114, 119, 133, 147, 196, 204, 228, 238, 266, 294, 323, 357, 399, 476, 532, 588, 646, 677, 714, 798, 833, 931, 969, 1292, 1354, 1428, 1596, 1666, 1862, 1938, 2031, 2261, 2499, 2708, 2793, 3332, 3724, 3876, 4062, 4522, 4739, 4998, 5586, 6783, 8124, 9044, 9478, 9996, 11172, 11509, 12863, 13566, 14217, 15827, 18956, 23018, 25726, 27132, 28434, 31654, 33173, 34527, 38589, 46036, 47481, 51452, 56868, 63308, 66346, 69054, 77178, 80563, 90041, 94962, 99519, 132692, 138108, 154356, 161126, 180082, 189924, 199038, 218671, 241689, 270123, 322252, 360164, 398076, 437342, 483378, 540246, 563941, 630287, 656013, 874684, 966756, 1080492, 1127882, 1260574, 1312026, 1530697, 1691823, 1890861, 2255764, 2521148, 2624052, 3061394, 3383646, 3781722, 4592091, 6122788, 6767292, 7563444, 9184182, 10714879, 18368364, 21429758, 32144637, 42859516, 64289274, 128578548]

約数ペア:

[(1, 128578548), (2, 64289274), (3, 42859516), (4, 32144637), (6, 21429758), (7, 18368364), (12, 10714879), (14, 9184182), (17, 7563444), (19, 6767292), (21, 6122788), (28, 4592091), (34, 3781722), (38, 3383646), (42, 3061394), (49, 2624052), (51, 2521148), (57, 2255764), (68, 1890861), (76, 1691823), (84, 1530697), (98, 1312026), (102, 1260574), (114, 1127882), (119, 1080492), (133, 966756), (147, 874684), (196, 656013), (204, 630287), (228, 563941), (238, 540246), (266, 483378), (294, 437342), (323, 398076), (357, 360164), (399, 322252), (476, 270123), (532, 241689), (588, 218671), (646, 199038), (677, 189924), (714, 180082), (798, 161126), (833, 154356), (931, 138108), (969, 132692), (1292, 99519), (1354, 94962), (1428, 90041), (1596, 80563), (1666, 77178), (1862, 69054), (1938, 66346), (2031, 63308), (2261, 56868), (2499, 51452), (2708, 47481), (2793, 46036), (3332, 38589), (3724, 34527), (3876, 33173), (4062, 31654), (4522, 28434), (4739, 27132), (4998, 25726), (5586, 23018), (6783, 18956), (8124, 15827), (9044, 14217), (9478, 13566), (9996, 12863), (11172, 11509)]