16720318944

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{74719}}^1$

素因数の和:74782

約数の個数: 192

約数和(自身を含む): 57241497600

約数和(自身を除く): 40521178656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 37, 42, 48, 54, 56, 63, 72, 74, 84, 96, 108, 111, 112, 126, 144, 148, 168, 189, 216, 222, 224, 252, 259, 288, 296, 333, 336, 378, 432, 444, 504, 518, 592, 666, 672, 756, 777, 864, 888, 999, 1008, 1036, 1184, 1332, 1512, 1554, 1776, 1998, 2016, 2072, 2331, 2664, 3024, 3108, 3552, 3996, 4144, 4662, 5328, 6048, 6216, 6993, 7992, 8288, 9324, 10656, 12432, 13986, 15984, 18648, 24864, 27972, 31968, 37296, 55944, 74592, 74719, 111888, 149438, 223776, 224157, 298876, 448314, 523033, 597752, 672471, 896628, 1046066, 1195504, 1344942, 1569099, 1793256, 2017413, 2092132, 2391008, 2689884, 2764603, 3138198, 3586512, 4034826, 4184264, 4707297, 5379768, 5529206, 6276396, 7173024, 8069652, 8293809, 8368528, 9414594, 10759536, 11058412, 12552792, 14121891, 16139304, 16587618, 16737056, 18829188, 19352221, 21519072, 22116824, 24881427, 25105584, 28243782, 32278608, 33175236, 37658376, 38704442, 44233648, 49762854, 50211168, 56487564, 58056663, 64557216, 66350472, 74644281, 75316752, 77408884, 88467296, 99525708, 112975128, 116113326, 132700944, 149288562, 150633504, 154817768, 174169989, 199051416, 225950256, 232226652, 265401888, 298577124, 309635536, 348339978, 398102832, 451900512, 464453304, 522509967, 597154248, 619271072, 696679956, 796205664, 928906608, 1045019934, 1194308496, 1393359912, 1857813216, 2090039868, 2388616992, 2786719824, 4180079736, 5573439648, 8360159472, 16720318944]

約数ペア:

[(1, 16720318944), (2, 8360159472), (3, 5573439648), (4, 4180079736), (6, 2786719824), (7, 2388616992), (8, 2090039868), (9, 1857813216), (12, 1393359912), (14, 1194308496), (16, 1045019934), (18, 928906608), (21, 796205664), (24, 696679956), (27, 619271072), (28, 597154248), (32, 522509967), (36, 464453304), (37, 451900512), (42, 398102832), (48, 348339978), (54, 309635536), (56, 298577124), (63, 265401888), (72, 232226652), (74, 225950256), (84, 199051416), (96, 174169989), (108, 154817768), (111, 150633504), (112, 149288562), (126, 132700944), (144, 116113326), (148, 112975128), (168, 99525708), (189, 88467296), (216, 77408884), (222, 75316752), (224, 74644281), (252, 66350472), (259, 64557216), (288, 58056663), (296, 56487564), (333, 50211168), (336, 49762854), (378, 44233648), (432, 38704442), (444, 37658376), (504, 33175236), (518, 32278608), (592, 28243782), (666, 25105584), (672, 24881427), (756, 22116824), (777, 21519072), (864, 19352221), (888, 18829188), (999, 16737056), (1008, 16587618), (1036, 16139304), (1184, 14121891), (1332, 12552792), (1512, 11058412), (1554, 10759536), (1776, 9414594), (1998, 8368528), (2016, 8293809), (2072, 8069652), (2331, 7173024), (2664, 6276396), (3024, 5529206), (3108, 5379768), (3552, 4707297), (3996, 4184264), (4144, 4034826), (4662, 3586512), (5328, 3138198), (6048, 2764603), (6216, 2689884), (6993, 2391008), (7992, 2092132), (8288, 2017413), (9324, 1793256), (10656, 1569099), (12432, 1344942), (13986, 1195504), (15984, 1046066), (18648, 896628), (24864, 672471), (27972, 597752), (31968, 523033), (37296, 448314), (55944, 298876), (74592, 224157), (74719, 223776), (111888, 149438)]