68878458

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 117745542

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 19, 22, 27, 33, 34, 38, 51, 54, 57, 66, 99, 102, 114, 153, 171, 187, 198, 209, 297, 306, 323, 342, 359, 374, 418, 459, 513, 561, 594, 627, 646, 718, 918, 969, 1026, 1077, 1122, 1254, 1683, 1881, 1938, 2154, 2907, 3231, 3366, 3553, 3762, 3949, 5049, 5643, 5814, 6103, 6462, 6821, 7106, 7898, 8721, 9693, 10098, 10659, 11286, 11847, 12206, 13642, 17442, 18309, 19386, 20463, 21318, 23694, 31977, 35541, 36618, 40926, 54927, 61389, 63954, 67133, 71082, 75031, 95931, 106623, 109854, 115957, 122778, 134266, 150062, 164781, 184167, 191862, 201399, 213246, 225093, 231914, 329562, 347871, 368334, 402798, 450186, 604197, 675279, 695742, 1043613, 1208394, 1275527, 1350558, 1812591, 2025837, 2087226, 2551054, 3130839, 3625182, 3826581, 4051674, 6261678, 7653162, 11479743, 22959486, 34439229, 68878458]

約数ペア:

[(1, 68878458), (2, 34439229), (3, 22959486), (6, 11479743), (9, 7653162), (11, 6261678), (17, 4051674), (18, 3826581), (19, 3625182), (22, 3130839), (27, 2551054), (33, 2087226), (34, 2025837), (38, 1812591), (51, 1350558), (54, 1275527), (57, 1208394), (66, 1043613), (99, 695742), (102, 675279), (114, 604197), (153, 450186), (171, 402798), (187, 368334), (198, 347871), (209, 329562), (297, 231914), (306, 225093), (323, 213246), (342, 201399), (359, 191862), (374, 184167), (418, 164781), (459, 150062), (513, 134266), (561, 122778), (594, 115957), (627, 109854), (646, 106623), (718, 95931), (918, 75031), (969, 71082), (1026, 67133), (1077, 63954), (1122, 61389), (1254, 54927), (1683, 40926), (1881, 36618), (1938, 35541), (2154, 31977), (2907, 23694), (3231, 21318), (3366, 20463), (3553, 19386), (3762, 18309), (3949, 17442), (5049, 13642), (5643, 12206), (5814, 11847), (6103, 11286), (6462, 10659), (6821, 10098), (7106, 9693), (7898, 8721)]