81426072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1673

約数の個数: 128

約数和(自身を含む): 261596160

約数和(自身を除く): 180170088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 69, 78, 84, 91, 92, 104, 138, 156, 161, 168, 182, 184, 273, 276, 299, 312, 322, 364, 483, 546, 552, 598, 644, 728, 897, 966, 1092, 1196, 1288, 1621, 1794, 1932, 2093, 2184, 2392, 3242, 3588, 3864, 4186, 4863, 6279, 6484, 7176, 8372, 9726, 11347, 12558, 12968, 16744, 19452, 21073, 22694, 25116, 34041, 37283, 38904, 42146, 45388, 50232, 63219, 68082, 74566, 84292, 90776, 111849, 126438, 136164, 147511, 149132, 168584, 223698, 252876, 260981, 272328, 295022, 298264, 442533, 447396, 484679, 505752, 521962, 590044, 782943, 885066, 894792, 969358, 1043924, 1180088, 1454037, 1565886, 1770132, 1938716, 2087848, 2908074, 3131772, 3392753, 3540264, 3877432, 5816148, 6263544, 6785506, 10178259, 11632296, 13571012, 20356518, 27142024, 40713036, 81426072]

約数ペア:

[(1, 81426072), (2, 40713036), (3, 27142024), (4, 20356518), (6, 13571012), (7, 11632296), (8, 10178259), (12, 6785506), (13, 6263544), (14, 5816148), (21, 3877432), (23, 3540264), (24, 3392753), (26, 3131772), (28, 2908074), (39, 2087848), (42, 1938716), (46, 1770132), (52, 1565886), (56, 1454037), (69, 1180088), (78, 1043924), (84, 969358), (91, 894792), (92, 885066), (104, 782943), (138, 590044), (156, 521962), (161, 505752), (168, 484679), (182, 447396), (184, 442533), (273, 298264), (276, 295022), (299, 272328), (312, 260981), (322, 252876), (364, 223698), (483, 168584), (546, 149132), (552, 147511), (598, 136164), (644, 126438), (728, 111849), (897, 90776), (966, 84292), (1092, 74566), (1196, 68082), (1288, 63219), (1621, 50232), (1794, 45388), (1932, 42146), (2093, 38904), (2184, 37283), (2392, 34041), (3242, 25116), (3588, 22694), (3864, 21073), (4186, 19452), (4863, 16744), (6279, 12968), (6484, 12558), (7176, 11347), (8372, 9726)]