643474944

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{19949}}^1$

素因数の和:19980

約数の個数: 120

約数和(自身を含む): 2122520400

約数和(自身を除く): 1479045456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 8064, 10752, 16128, 19949, 32256, 39898, 59847, 79796, 119694, 139643, 159592, 179541, 239388, 279286, 319184, 359082, 418929, 478776, 558572, 638368, 718164, 837858, 957552, 1117144, 1256787, 1276736, 1436328, 1675716, 1915104, 2234288, 2513574, 2553472, 2872656, 3351432, 3830208, 4468576, 5027148, 5106944, 5745312, 6702864, 7660416, 8937152, 10054296, 10213888, 11490624, 13405728, 15320832, 17874304, 20108592, 22981248, 26811456, 30641664, 35748608, 40217184, 45962496, 53622912, 71497216, 80434368, 91924992, 107245824, 160868736, 214491648, 321737472, 643474944]

約数ペア:

[(1, 643474944), (2, 321737472), (3, 214491648), (4, 160868736), (6, 107245824), (7, 91924992), (8, 80434368), (9, 71497216), (12, 53622912), (14, 45962496), (16, 40217184), (18, 35748608), (21, 30641664), (24, 26811456), (28, 22981248), (32, 20108592), (36, 17874304), (42, 15320832), (48, 13405728), (56, 11490624), (63, 10213888), (64, 10054296), (72, 8937152), (84, 7660416), (96, 6702864), (112, 5745312), (126, 5106944), (128, 5027148), (144, 4468576), (168, 3830208), (192, 3351432), (224, 2872656), (252, 2553472), (256, 2513574), (288, 2234288), (336, 1915104), (384, 1675716), (448, 1436328), (504, 1276736), (512, 1256787), (576, 1117144), (672, 957552), (768, 837858), (896, 718164), (1008, 638368), (1152, 558572), (1344, 478776), (1536, 418929), (1792, 359082), (2016, 319184), (2304, 279286), (2688, 239388), (3584, 179541), (4032, 159592), (4608, 139643), (5376, 119694), (8064, 79796), (10752, 59847), (16128, 39898), (19949, 32256)]