261552816

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{829}}^1$

素因数の和:1163

約数の個数: 120

約数和(自身を含む): 840238880

約数和(自身を除く): 578686064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 313, 336, 504, 626, 829, 939, 1008, 1252, 1658, 1878, 2191, 2487, 2504, 2817, 3316, 3756, 4382, 4974, 5008, 5634, 5803, 6573, 6632, 7461, 7512, 8764, 9948, 11268, 11606, 13146, 13264, 14922, 15024, 17409, 17528, 19719, 19896, 22536, 23212, 26292, 29844, 34818, 35056, 39438, 39792, 45072, 46424, 52227, 52584, 59688, 69636, 78876, 92848, 104454, 105168, 119376, 139272, 157752, 208908, 259477, 278544, 315504, 417816, 518954, 778431, 835632, 1037908, 1556862, 1816339, 2075816, 2335293, 3113724, 3632678, 4151632, 4670586, 5449017, 6227448, 7265356, 9341172, 10898034, 12454896, 14530712, 16347051, 18682344, 21796068, 29061424, 32694102, 37364688, 43592136, 65388204, 87184272, 130776408, 261552816]

約数ペア:

[(1, 261552816), (2, 130776408), (3, 87184272), (4, 65388204), (6, 43592136), (7, 37364688), (8, 32694102), (9, 29061424), (12, 21796068), (14, 18682344), (16, 16347051), (18, 14530712), (21, 12454896), (24, 10898034), (28, 9341172), (36, 7265356), (42, 6227448), (48, 5449017), (56, 4670586), (63, 4151632), (72, 3632678), (84, 3113724), (112, 2335293), (126, 2075816), (144, 1816339), (168, 1556862), (252, 1037908), (313, 835632), (336, 778431), (504, 518954), (626, 417816), (829, 315504), (939, 278544), (1008, 259477), (1252, 208908), (1658, 157752), (1878, 139272), (2191, 119376), (2487, 105168), (2504, 104454), (2817, 92848), (3316, 78876), (3756, 69636), (4382, 59688), (4974, 52584), (5008, 52227), (5634, 46424), (5803, 45072), (6573, 39792), (6632, 39438), (7461, 35056), (7512, 34818), (8764, 29844), (9948, 26292), (11268, 23212), (11606, 22536), (13146, 19896), (13264, 19719), (14922, 17528), (15024, 17409)]