640413624

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 1708462080

約数和(自身を除く): 1068048456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 61, 62, 93, 103, 122, 124, 137, 183, 186, 206, 244, 248, 274, 309, 366, 372, 411, 412, 488, 548, 618, 732, 744, 822, 824, 1096, 1236, 1464, 1644, 1891, 2472, 3193, 3288, 3782, 4247, 5673, 6283, 6386, 7564, 8357, 8494, 9579, 11346, 12566, 12741, 12772, 14111, 15128, 16714, 16988, 18849, 19158, 22692, 25071, 25132, 25482, 25544, 28222, 33428, 33976, 37698, 38316, 42333, 45384, 50142, 50264, 50964, 56444, 66856, 75396, 76632, 84666, 100284, 101928, 112888, 150792, 169332, 194773, 200568, 259067, 338664, 389546, 437441, 518134, 584319, 777201, 779092, 860771, 874882, 1036268, 1168638, 1312323, 1554402, 1558184, 1721542, 1749764, 2072536, 2337276, 2582313, 2624646, 3108804, 3443084, 3499528, 4674552, 5164626, 5249292, 6217608, 6886168, 10329252, 10498584, 20658504, 26683901, 53367802, 80051703, 106735604, 160103406, 213471208, 320206812, 640413624]

約数ペア:

[(1, 640413624), (2, 320206812), (3, 213471208), (4, 160103406), (6, 106735604), (8, 80051703), (12, 53367802), (24, 26683901), (31, 20658504), (61, 10498584), (62, 10329252), (93, 6886168), (103, 6217608), (122, 5249292), (124, 5164626), (137, 4674552), (183, 3499528), (186, 3443084), (206, 3108804), (244, 2624646), (248, 2582313), (274, 2337276), (309, 2072536), (366, 1749764), (372, 1721542), (411, 1558184), (412, 1554402), (488, 1312323), (548, 1168638), (618, 1036268), (732, 874882), (744, 860771), (822, 779092), (824, 777201), (1096, 584319), (1236, 518134), (1464, 437441), (1644, 389546), (1891, 338664), (2472, 259067), (3193, 200568), (3288, 194773), (3782, 169332), (4247, 150792), (5673, 112888), (6283, 101928), (6386, 100284), (7564, 84666), (8357, 76632), (8494, 75396), (9579, 66856), (11346, 56444), (12566, 50964), (12741, 50264), (12772, 50142), (14111, 45384), (15128, 42333), (16714, 38316), (16988, 37698), (18849, 33976), (19158, 33428), (22692, 28222), (25071, 25544), (25132, 25482)]