256985352

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1388

約数の個数: 128

約数和(自身を含む): 780192000

約数和(自身を除く): 523206648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 71, 72, 78, 104, 108, 117, 142, 156, 213, 216, 234, 284, 312, 351, 426, 468, 568, 639, 702, 852, 923, 936, 1278, 1289, 1404, 1704, 1846, 1917, 2556, 2578, 2769, 2808, 3692, 3834, 3867, 5112, 5156, 5538, 7384, 7668, 7734, 8307, 10312, 11076, 11601, 15336, 15468, 16614, 16757, 22152, 23202, 24921, 30936, 33228, 33514, 34803, 46404, 49842, 50271, 66456, 67028, 69606, 91519, 92808, 99684, 100542, 134056, 139212, 150813, 183038, 199368, 201084, 274557, 278424, 301626, 366076, 402168, 452439, 549114, 603252, 732152, 823671, 904878, 1098228, 1189747, 1206504, 1647342, 1809756, 2196456, 2379494, 2471013, 3294684, 3569241, 3619512, 4758988, 4942026, 6589368, 7138482, 9517976, 9884052, 10707723, 14276964, 19768104, 21415446, 28553928, 32123169, 42830892, 64246338, 85661784, 128492676, 256985352]

約数ペア:

[(1, 256985352), (2, 128492676), (3, 85661784), (4, 64246338), (6, 42830892), (8, 32123169), (9, 28553928), (12, 21415446), (13, 19768104), (18, 14276964), (24, 10707723), (26, 9884052), (27, 9517976), (36, 7138482), (39, 6589368), (52, 4942026), (54, 4758988), (71, 3619512), (72, 3569241), (78, 3294684), (104, 2471013), (108, 2379494), (117, 2196456), (142, 1809756), (156, 1647342), (213, 1206504), (216, 1189747), (234, 1098228), (284, 904878), (312, 823671), (351, 732152), (426, 603252), (468, 549114), (568, 452439), (639, 402168), (702, 366076), (852, 301626), (923, 278424), (936, 274557), (1278, 201084), (1289, 199368), (1404, 183038), (1704, 150813), (1846, 139212), (1917, 134056), (2556, 100542), (2578, 99684), (2769, 92808), (2808, 91519), (3692, 69606), (3834, 67028), (3867, 66456), (5112, 50271), (5156, 49842), (5538, 46404), (7384, 34803), (7668, 33514), (7734, 33228), (8307, 30936), (10312, 24921), (11076, 23202), (11601, 22152), (15336, 16757), (15468, 16614)]