16781490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 50791104

約数和(自身を除く): 34009614

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 67, 69, 90, 99, 110, 115, 121, 134, 138, 165, 198, 201, 207, 230, 242, 253, 330, 335, 345, 363, 402, 414, 495, 506, 603, 605, 670, 690, 726, 737, 759, 990, 1005, 1035, 1089, 1206, 1210, 1265, 1474, 1518, 1541, 1815, 2010, 2070, 2178, 2211, 2277, 2530, 2783, 3015, 3082, 3630, 3685, 3795, 4422, 4554, 4623, 5445, 5566, 6030, 6633, 7370, 7590, 7705, 8107, 8349, 9246, 10890, 11055, 11385, 13266, 13869, 13915, 15410, 16214, 16698, 16951, 22110, 22770, 23115, 24321, 25047, 27738, 27830, 33165, 33902, 40535, 41745, 46230, 48642, 50094, 50853, 66330, 69345, 72963, 81070, 83490, 84755, 101706, 121605, 125235, 138690, 145926, 152559, 169510, 186461, 243210, 250470, 254265, 305118, 364815, 372922, 508530, 559383, 729630, 762795, 932305, 1118766, 1525590, 1678149, 1864610, 2796915, 3356298, 5593830, 8390745, 16781490]

約数ペア:

[(1, 16781490), (2, 8390745), (3, 5593830), (5, 3356298), (6, 2796915), (9, 1864610), (10, 1678149), (11, 1525590), (15, 1118766), (18, 932305), (22, 762795), (23, 729630), (30, 559383), (33, 508530), (45, 372922), (46, 364815), (55, 305118), (66, 254265), (67, 250470), (69, 243210), (90, 186461), (99, 169510), (110, 152559), (115, 145926), (121, 138690), (134, 125235), (138, 121605), (165, 101706), (198, 84755), (201, 83490), (207, 81070), (230, 72963), (242, 69345), (253, 66330), (330, 50853), (335, 50094), (345, 48642), (363, 46230), (402, 41745), (414, 40535), (495, 33902), (506, 33165), (603, 27830), (605, 27738), (670, 25047), (690, 24321), (726, 23115), (737, 22770), (759, 22110), (990, 16951), (1005, 16698), (1035, 16214), (1089, 15410), (1206, 13915), (1210, 13869), (1265, 13266), (1474, 11385), (1518, 11055), (1541, 10890), (1815, 9246), (2010, 8349), (2070, 8107), (2178, 7705), (2211, 7590), (2277, 7370), (2530, 6633), (2783, 6030), (3015, 5566), (3082, 5445), (3630, 4623), (3685, 4554), (3795, 4422)]