81125616

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 251983872

約数和(自身を除く): 170858256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 53, 66, 78, 88, 104, 106, 132, 143, 156, 159, 176, 208, 212, 223, 264, 286, 312, 318, 424, 429, 446, 528, 572, 583, 624, 636, 669, 689, 848, 858, 892, 1144, 1166, 1272, 1338, 1378, 1716, 1749, 1784, 2067, 2288, 2332, 2453, 2544, 2676, 2756, 2899, 3432, 3498, 3568, 4134, 4664, 4906, 5352, 5512, 5798, 6864, 6996, 7359, 7579, 8268, 8697, 9328, 9812, 10704, 11024, 11596, 11819, 13992, 14718, 15158, 16536, 17394, 19624, 22737, 23192, 23638, 27984, 29436, 30316, 31889, 33072, 34788, 35457, 39248, 45474, 46384, 47276, 58872, 60632, 63778, 69576, 70914, 90948, 94552, 95667, 117744, 121264, 127556, 130009, 139152, 141828, 153647, 181896, 189104, 191334, 255112, 260018, 283656, 307294, 363792, 382668, 390027, 460941, 510224, 520036, 567312, 614588, 765336, 780054, 921882, 1040072, 1229176, 1530672, 1560108, 1690117, 1843764, 2080144, 2458352, 3120216, 3380234, 3687528, 5070351, 6240432, 6760468, 7375056, 10140702, 13520936, 20281404, 27041872, 40562808, 81125616]

約数ペア:

[(1, 81125616), (2, 40562808), (3, 27041872), (4, 20281404), (6, 13520936), (8, 10140702), (11, 7375056), (12, 6760468), (13, 6240432), (16, 5070351), (22, 3687528), (24, 3380234), (26, 3120216), (33, 2458352), (39, 2080144), (44, 1843764), (48, 1690117), (52, 1560108), (53, 1530672), (66, 1229176), (78, 1040072), (88, 921882), (104, 780054), (106, 765336), (132, 614588), (143, 567312), (156, 520036), (159, 510224), (176, 460941), (208, 390027), (212, 382668), (223, 363792), (264, 307294), (286, 283656), (312, 260018), (318, 255112), (424, 191334), (429, 189104), (446, 181896), (528, 153647), (572, 141828), (583, 139152), (624, 130009), (636, 127556), (669, 121264), (689, 117744), (848, 95667), (858, 94552), (892, 90948), (1144, 70914), (1166, 69576), (1272, 63778), (1338, 60632), (1378, 58872), (1716, 47276), (1749, 46384), (1784, 45474), (2067, 39248), (2288, 35457), (2332, 34788), (2453, 33072), (2544, 31889), (2676, 30316), (2756, 29436), (2899, 27984), (3432, 23638), (3498, 23192), (3568, 22737), (4134, 19624), (4664, 17394), (4906, 16536), (5352, 15158), (5512, 14718), (5798, 13992), (6864, 11819), (6996, 11596), (7359, 11024), (7579, 10704), (8268, 9812), (8697, 9328)]