68181660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 221405184

約数和(自身を除く): 153223524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 383, 387, 414, 430, 460, 516, 645, 690, 766, 774, 828, 860, 989, 1035, 1149, 1290, 1380, 1532, 1548, 1915, 1935, 1978, 2070, 2298, 2580, 2967, 3447, 3830, 3870, 3956, 4140, 4596, 4945, 5745, 5934, 6894, 7660, 7740, 8809, 8901, 9890, 11490, 11868, 13788, 14835, 16469, 17235, 17618, 17802, 19780, 22980, 26427, 29670, 32938, 34470, 35236, 35604, 44045, 44505, 49407, 52854, 59340, 65876, 68940, 79281, 82345, 88090, 89010, 98814, 105708, 132135, 148221, 158562, 164690, 176180, 178020, 197628, 247035, 264270, 296442, 317124, 329380, 378787, 396405, 494070, 528540, 592884, 741105, 757574, 792810, 988140, 1136361, 1482210, 1515148, 1585620, 1893935, 2272722, 2964420, 3409083, 3787870, 4545444, 5681805, 6818166, 7575740, 11363610, 13636332, 17045415, 22727220, 34090830, 68181660]

約数ペア:

[(1, 68181660), (2, 34090830), (3, 22727220), (4, 17045415), (5, 13636332), (6, 11363610), (9, 7575740), (10, 6818166), (12, 5681805), (15, 4545444), (18, 3787870), (20, 3409083), (23, 2964420), (30, 2272722), (36, 1893935), (43, 1585620), (45, 1515148), (46, 1482210), (60, 1136361), (69, 988140), (86, 792810), (90, 757574), (92, 741105), (115, 592884), (129, 528540), (138, 494070), (172, 396405), (180, 378787), (207, 329380), (215, 317124), (230, 296442), (258, 264270), (276, 247035), (345, 197628), (383, 178020), (387, 176180), (414, 164690), (430, 158562), (460, 148221), (516, 132135), (645, 105708), (690, 98814), (766, 89010), (774, 88090), (828, 82345), (860, 79281), (989, 68940), (1035, 65876), (1149, 59340), (1290, 52854), (1380, 49407), (1532, 44505), (1548, 44045), (1915, 35604), (1935, 35236), (1978, 34470), (2070, 32938), (2298, 29670), (2580, 26427), (2967, 22980), (3447, 19780), (3830, 17802), (3870, 17618), (3956, 17235), (4140, 16469), (4596, 14835), (4945, 13788), (5745, 11868), (5934, 11490), (6894, 9890), (7660, 8901), (7740, 8809)]