64640052

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 189112000

約数和(自身を除く): 124471948

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 109, 114, 153, 171, 204, 218, 228, 289, 306, 323, 327, 342, 436, 459, 513, 578, 612, 646, 654, 684, 867, 918, 969, 981, 1026, 1156, 1292, 1308, 1734, 1836, 1853, 1938, 1962, 2052, 2071, 2601, 2907, 2943, 3468, 3706, 3876, 3924, 4142, 5202, 5491, 5559, 5814, 5886, 6213, 7412, 7803, 8284, 8721, 10404, 10982, 11118, 11628, 11772, 12426, 15606, 16473, 16677, 17442, 18639, 21964, 22236, 24852, 31212, 31501, 32946, 33354, 34884, 35207, 37278, 49419, 50031, 55917, 63002, 65892, 66708, 70414, 74556, 94503, 98838, 100062, 105621, 111834, 126004, 140828, 148257, 189006, 197676, 200124, 211242, 223668, 283509, 296514, 316863, 378012, 422484, 567018, 593028, 598519, 633726, 850527, 950589, 1134036, 1197038, 1267452, 1701054, 1795557, 1901178, 2394076, 3402108, 3591114, 3802356, 5386671, 7182228, 10773342, 16160013, 21546684, 32320026, 64640052]

約数ペア:

[(1, 64640052), (2, 32320026), (3, 21546684), (4, 16160013), (6, 10773342), (9, 7182228), (12, 5386671), (17, 3802356), (18, 3591114), (19, 3402108), (27, 2394076), (34, 1901178), (36, 1795557), (38, 1701054), (51, 1267452), (54, 1197038), (57, 1134036), (68, 950589), (76, 850527), (102, 633726), (108, 598519), (109, 593028), (114, 567018), (153, 422484), (171, 378012), (204, 316863), (218, 296514), (228, 283509), (289, 223668), (306, 211242), (323, 200124), (327, 197676), (342, 189006), (436, 148257), (459, 140828), (513, 126004), (578, 111834), (612, 105621), (646, 100062), (654, 98838), (684, 94503), (867, 74556), (918, 70414), (969, 66708), (981, 65892), (1026, 63002), (1156, 55917), (1292, 50031), (1308, 49419), (1734, 37278), (1836, 35207), (1853, 34884), (1938, 33354), (1962, 32946), (2052, 31501), (2071, 31212), (2601, 24852), (2907, 22236), (2943, 21964), (3468, 18639), (3706, 17442), (3876, 16677), (3924, 16473), (4142, 15606), (5202, 12426), (5491, 11772), (5559, 11628), (5814, 11118), (5886, 10982), (6213, 10404), (7412, 8721), (7803, 8284)]