81895464

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 261424800

約数和(自身を除く): 179529336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 139, 147, 167, 168, 196, 252, 278, 294, 334, 392, 417, 441, 501, 504, 556, 588, 668, 834, 882, 973, 1002, 1112, 1169, 1176, 1251, 1336, 1503, 1668, 1764, 1946, 2004, 2338, 2502, 2919, 3006, 3336, 3507, 3528, 3892, 4008, 4676, 5004, 5838, 6012, 6811, 7014, 7784, 8183, 8757, 9352, 10008, 10521, 11676, 12024, 13622, 14028, 16366, 17514, 20433, 21042, 23213, 23352, 24549, 27244, 28056, 32732, 35028, 40866, 42084, 46426, 49098, 54488, 61299, 65464, 69639, 70056, 73647, 81732, 84168, 92852, 98196, 122598, 139278, 147294, 162491, 163464, 185704, 196392, 208917, 245196, 278556, 294588, 324982, 417834, 487473, 490392, 557112, 589176, 649964, 835668, 974946, 1137437, 1299928, 1462419, 1671336, 1949892, 2274874, 2924838, 3412311, 3899784, 4549748, 5849676, 6824622, 9099496, 10236933, 11699352, 13649244, 20473866, 27298488, 40947732, 81895464]

約数ペア:

[(1, 81895464), (2, 40947732), (3, 27298488), (4, 20473866), (6, 13649244), (7, 11699352), (8, 10236933), (9, 9099496), (12, 6824622), (14, 5849676), (18, 4549748), (21, 3899784), (24, 3412311), (28, 2924838), (36, 2274874), (42, 1949892), (49, 1671336), (56, 1462419), (63, 1299928), (72, 1137437), (84, 974946), (98, 835668), (126, 649964), (139, 589176), (147, 557112), (167, 490392), (168, 487473), (196, 417834), (252, 324982), (278, 294588), (294, 278556), (334, 245196), (392, 208917), (417, 196392), (441, 185704), (501, 163464), (504, 162491), (556, 147294), (588, 139278), (668, 122598), (834, 98196), (882, 92852), (973, 84168), (1002, 81732), (1112, 73647), (1169, 70056), (1176, 69639), (1251, 65464), (1336, 61299), (1503, 54488), (1668, 49098), (1764, 46426), (1946, 42084), (2004, 40866), (2338, 35028), (2502, 32732), (2919, 28056), (3006, 27244), (3336, 24549), (3507, 23352), (3528, 23213), (3892, 21042), (4008, 20433), (4676, 17514), (5004, 16366), (5838, 14028), (6012, 13622), (6811, 12024), (7014, 11676), (7784, 10521), (8183, 10008), (8757, 9352)]