15968680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 45722880

約数和(自身を除く): 29754200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 107, 130, 140, 164, 182, 205, 214, 260, 280, 287, 328, 364, 410, 428, 455, 520, 533, 535, 574, 728, 749, 820, 856, 910, 1066, 1070, 1148, 1391, 1435, 1498, 1640, 1820, 2132, 2140, 2296, 2665, 2782, 2870, 2996, 3640, 3731, 3745, 4264, 4280, 4387, 5330, 5564, 5740, 5992, 6955, 7462, 7490, 8774, 9737, 10660, 11128, 11480, 13910, 14924, 14980, 17548, 18655, 19474, 21320, 21935, 27820, 29848, 29960, 30709, 35096, 37310, 38948, 43870, 48685, 55640, 57031, 61418, 74620, 77896, 87740, 97370, 114062, 122836, 149240, 153545, 175480, 194740, 228124, 245672, 285155, 307090, 389480, 399217, 456248, 570310, 614180, 798434, 1140620, 1228360, 1596868, 1996085, 2281240, 3193736, 3992170, 7984340, 15968680]

約数ペア:

[(1, 15968680), (2, 7984340), (4, 3992170), (5, 3193736), (7, 2281240), (8, 1996085), (10, 1596868), (13, 1228360), (14, 1140620), (20, 798434), (26, 614180), (28, 570310), (35, 456248), (40, 399217), (41, 389480), (52, 307090), (56, 285155), (65, 245672), (70, 228124), (82, 194740), (91, 175480), (104, 153545), (107, 149240), (130, 122836), (140, 114062), (164, 97370), (182, 87740), (205, 77896), (214, 74620), (260, 61418), (280, 57031), (287, 55640), (328, 48685), (364, 43870), (410, 38948), (428, 37310), (455, 35096), (520, 30709), (533, 29960), (535, 29848), (574, 27820), (728, 21935), (749, 21320), (820, 19474), (856, 18655), (910, 17548), (1066, 14980), (1070, 14924), (1148, 13910), (1391, 11480), (1435, 11128), (1498, 10660), (1640, 9737), (1820, 8774), (2132, 7490), (2140, 7462), (2296, 6955), (2665, 5992), (2782, 5740), (2870, 5564), (2996, 5330), (3640, 4387), (3731, 4280), (3745, 4264)]