8680644

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 27664000

約数和(自身を除く): 18983356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 37, 38, 42, 49, 57, 63, 74, 76, 84, 98, 111, 114, 126, 133, 147, 148, 171, 196, 222, 228, 252, 259, 266, 294, 333, 342, 343, 399, 441, 444, 518, 532, 588, 666, 684, 686, 703, 777, 798, 882, 931, 1029, 1036, 1197, 1332, 1372, 1406, 1554, 1596, 1764, 1813, 1862, 2058, 2109, 2331, 2394, 2793, 2812, 3087, 3108, 3626, 3724, 4116, 4218, 4662, 4788, 4921, 5439, 5586, 6174, 6327, 6517, 7252, 8379, 8436, 9324, 9842, 10878, 11172, 12348, 12654, 12691, 13034, 14763, 16317, 16758, 19551, 19684, 21756, 25308, 25382, 26068, 29526, 32634, 33516, 34447, 38073, 39102, 44289, 50764, 58653, 59052, 65268, 68894, 76146, 78204, 88578, 103341, 114219, 117306, 137788, 152292, 177156, 206682, 228438, 234612, 241129, 310023, 413364, 456876, 482258, 620046, 723387, 964516, 1240092, 1446774, 2170161, 2893548, 4340322, 8680644]

約数ペア:

[(1, 8680644), (2, 4340322), (3, 2893548), (4, 2170161), (6, 1446774), (7, 1240092), (9, 964516), (12, 723387), (14, 620046), (18, 482258), (19, 456876), (21, 413364), (28, 310023), (36, 241129), (37, 234612), (38, 228438), (42, 206682), (49, 177156), (57, 152292), (63, 137788), (74, 117306), (76, 114219), (84, 103341), (98, 88578), (111, 78204), (114, 76146), (126, 68894), (133, 65268), (147, 59052), (148, 58653), (171, 50764), (196, 44289), (222, 39102), (228, 38073), (252, 34447), (259, 33516), (266, 32634), (294, 29526), (333, 26068), (342, 25382), (343, 25308), (399, 21756), (441, 19684), (444, 19551), (518, 16758), (532, 16317), (588, 14763), (666, 13034), (684, 12691), (686, 12654), (703, 12348), (777, 11172), (798, 10878), (882, 9842), (931, 9324), (1029, 8436), (1036, 8379), (1197, 7252), (1332, 6517), (1372, 6327), (1406, 6174), (1554, 5586), (1596, 5439), (1764, 4921), (1813, 4788), (1862, 4662), (2058, 4218), (2109, 4116), (2331, 3724), (2394, 3626), (2793, 3108), (2812, 3087)]