68267988

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 199704960

約数和(自身を除く): 131436972

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 103, 108, 114, 153, 171, 204, 206, 228, 306, 309, 323, 342, 361, 412, 459, 513, 612, 618, 646, 684, 722, 918, 927, 969, 1026, 1083, 1236, 1292, 1444, 1751, 1836, 1854, 1938, 1957, 2052, 2166, 2781, 2907, 3249, 3502, 3708, 3876, 3914, 4332, 5253, 5562, 5814, 5871, 6137, 6498, 7004, 7828, 8721, 9747, 10506, 11124, 11628, 11742, 12274, 12996, 15759, 17442, 17613, 18411, 19494, 21012, 23484, 24548, 31518, 33269, 34884, 35226, 36822, 37183, 38988, 47277, 52839, 55233, 63036, 66538, 70452, 73644, 74366, 94554, 99807, 105678, 110466, 111549, 133076, 148732, 165699, 189108, 199614, 211356, 220932, 223098, 299421, 331398, 334647, 399228, 446196, 598842, 632111, 662796, 669294, 898263, 1003941, 1197684, 1264222, 1338588, 1796526, 1896333, 2007882, 2528444, 3593052, 3792666, 4015764, 5688999, 7585332, 11377998, 17066997, 22755996, 34133994, 68267988]

約数ペア:

[(1, 68267988), (2, 34133994), (3, 22755996), (4, 17066997), (6, 11377998), (9, 7585332), (12, 5688999), (17, 4015764), (18, 3792666), (19, 3593052), (27, 2528444), (34, 2007882), (36, 1896333), (38, 1796526), (51, 1338588), (54, 1264222), (57, 1197684), (68, 1003941), (76, 898263), (102, 669294), (103, 662796), (108, 632111), (114, 598842), (153, 446196), (171, 399228), (204, 334647), (206, 331398), (228, 299421), (306, 223098), (309, 220932), (323, 211356), (342, 199614), (361, 189108), (412, 165699), (459, 148732), (513, 133076), (612, 111549), (618, 110466), (646, 105678), (684, 99807), (722, 94554), (918, 74366), (927, 73644), (969, 70452), (1026, 66538), (1083, 63036), (1236, 55233), (1292, 52839), (1444, 47277), (1751, 38988), (1836, 37183), (1854, 36822), (1938, 35226), (1957, 34884), (2052, 33269), (2166, 31518), (2781, 24548), (2907, 23484), (3249, 21012), (3502, 19494), (3708, 18411), (3876, 17613), (3914, 17442), (4332, 15759), (5253, 12996), (5562, 12274), (5814, 11742), (5871, 11628), (6137, 11124), (6498, 10506), (7004, 9747), (7828, 8721)]