664761216

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1356

約数の個数: 128

約数和(自身を含む): 2028902400

約数和(自身を除く): 1364141184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 223, 224, 336, 384, 446, 448, 669, 672, 892, 896, 1109, 1338, 1344, 1561, 1784, 2218, 2676, 2688, 3122, 3327, 3568, 4436, 4683, 5352, 6244, 6654, 7136, 7763, 8872, 9366, 10704, 12488, 13308, 14272, 15526, 17744, 18732, 21408, 23289, 24976, 26616, 28544, 31052, 35488, 37464, 42816, 46578, 49952, 53232, 62104, 70976, 74928, 85632, 93156, 99904, 106464, 124208, 141952, 149856, 186312, 199808, 212928, 247307, 248416, 299712, 372624, 425856, 494614, 496832, 599424, 741921, 745248, 989228, 993664, 1483842, 1490496, 1731149, 1978456, 2967684, 2980992, 3462298, 3956912, 5193447, 5935368, 6924596, 7913824, 10386894, 11870736, 13849192, 15827648, 20773788, 23741472, 27698384, 31655296, 41547576, 47482944, 55396768, 83095152, 94965888, 110793536, 166190304, 221587072, 332380608, 664761216]

約数ペア:

[(1, 664761216), (2, 332380608), (3, 221587072), (4, 166190304), (6, 110793536), (7, 94965888), (8, 83095152), (12, 55396768), (14, 47482944), (16, 41547576), (21, 31655296), (24, 27698384), (28, 23741472), (32, 20773788), (42, 15827648), (48, 13849192), (56, 11870736), (64, 10386894), (84, 7913824), (96, 6924596), (112, 5935368), (128, 5193447), (168, 3956912), (192, 3462298), (223, 2980992), (224, 2967684), (336, 1978456), (384, 1731149), (446, 1490496), (448, 1483842), (669, 993664), (672, 989228), (892, 745248), (896, 741921), (1109, 599424), (1338, 496832), (1344, 494614), (1561, 425856), (1784, 372624), (2218, 299712), (2676, 248416), (2688, 247307), (3122, 212928), (3327, 199808), (3568, 186312), (4436, 149856), (4683, 141952), (5352, 124208), (6244, 106464), (6654, 99904), (7136, 93156), (7763, 85632), (8872, 74928), (9366, 70976), (10704, 62104), (12488, 53232), (13308, 49952), (14272, 46578), (15526, 42816), (17744, 37464), (18732, 35488), (21408, 31052), (23289, 28544), (24976, 26616)]