81654768

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:903

約数の個数: 120

約数和(自身を含む): 251046432

約数和(自身を除く): 169391664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 212, 234, 312, 318, 424, 468, 477, 624, 636, 689, 823, 848, 936, 954, 1272, 1378, 1646, 1872, 1908, 2067, 2469, 2544, 2756, 3292, 3816, 4134, 4938, 5512, 6201, 6584, 7407, 7632, 8268, 9876, 10699, 11024, 12402, 13168, 14814, 16536, 19752, 21398, 24804, 29628, 32097, 33072, 39504, 42796, 43619, 49608, 59256, 64194, 85592, 87238, 96291, 99216, 118512, 128388, 130857, 171184, 174476, 192582, 256776, 261714, 348952, 385164, 392571, 513552, 523428, 567047, 697904, 770328, 785142, 1046856, 1134094, 1540656, 1570284, 1701141, 2093712, 2268188, 3140568, 3402282, 4536376, 5103423, 6281136, 6804564, 9072752, 10206846, 13609128, 20413692, 27218256, 40827384, 81654768]

約数ペア:

[(1, 81654768), (2, 40827384), (3, 27218256), (4, 20413692), (6, 13609128), (8, 10206846), (9, 9072752), (12, 6804564), (13, 6281136), (16, 5103423), (18, 4536376), (24, 3402282), (26, 3140568), (36, 2268188), (39, 2093712), (48, 1701141), (52, 1570284), (53, 1540656), (72, 1134094), (78, 1046856), (104, 785142), (106, 770328), (117, 697904), (144, 567047), (156, 523428), (159, 513552), (208, 392571), (212, 385164), (234, 348952), (312, 261714), (318, 256776), (424, 192582), (468, 174476), (477, 171184), (624, 130857), (636, 128388), (689, 118512), (823, 99216), (848, 96291), (936, 87238), (954, 85592), (1272, 64194), (1378, 59256), (1646, 49608), (1872, 43619), (1908, 42796), (2067, 39504), (2469, 33072), (2544, 32097), (2756, 29628), (3292, 24804), (3816, 21398), (4134, 19752), (4938, 16536), (5512, 14814), (6201, 13168), (6584, 12402), (7407, 11024), (7632, 10699), (8268, 9876)]