728721168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 2214715392

約数和(自身を除く): 1485994224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 151, 159, 168, 212, 271, 302, 318, 336, 371, 424, 453, 542, 604, 636, 742, 813, 848, 906, 1057, 1084, 1113, 1208, 1272, 1484, 1626, 1812, 1897, 2114, 2168, 2226, 2416, 2544, 2968, 3171, 3252, 3624, 3794, 4228, 4336, 4452, 5691, 5936, 6342, 6504, 7248, 7588, 8003, 8456, 8904, 11382, 12684, 13008, 14363, 15176, 16006, 16912, 17808, 22764, 24009, 25368, 28726, 30352, 32012, 40921, 43089, 45528, 48018, 50736, 56021, 57452, 64024, 81842, 86178, 91056, 96036, 100541, 112042, 114904, 122763, 128048, 163684, 168063, 172356, 192072, 201082, 224084, 229808, 245526, 286447, 301623, 327368, 336126, 344712, 384144, 402164, 448168, 491052, 572894, 603246, 654736, 672252, 689424, 804328, 859341, 896336, 982104, 1145788, 1206492, 1344504, 1608656, 1718682, 1964208, 2168813, 2291576, 2412984, 2689008, 3437364, 4337626, 4583152, 4825968, 6506439, 6874728, 8675252, 13012878, 13749456, 15181691, 17350504, 26025756, 30363382, 34701008, 45545073, 52051512, 60726764, 91090146, 104103024, 121453528, 182180292, 242907056, 364360584, 728721168]

約数ペア:

[(1, 728721168), (2, 364360584), (3, 242907056), (4, 182180292), (6, 121453528), (7, 104103024), (8, 91090146), (12, 60726764), (14, 52051512), (16, 45545073), (21, 34701008), (24, 30363382), (28, 26025756), (42, 17350504), (48, 15181691), (53, 13749456), (56, 13012878), (84, 8675252), (106, 6874728), (112, 6506439), (151, 4825968), (159, 4583152), (168, 4337626), (212, 3437364), (271, 2689008), (302, 2412984), (318, 2291576), (336, 2168813), (371, 1964208), (424, 1718682), (453, 1608656), (542, 1344504), (604, 1206492), (636, 1145788), (742, 982104), (813, 896336), (848, 859341), (906, 804328), (1057, 689424), (1084, 672252), (1113, 654736), (1208, 603246), (1272, 572894), (1484, 491052), (1626, 448168), (1812, 402164), (1897, 384144), (2114, 344712), (2168, 336126), (2226, 327368), (2416, 301623), (2544, 286447), (2968, 245526), (3171, 229808), (3252, 224084), (3624, 201082), (3794, 192072), (4228, 172356), (4336, 168063), (4452, 163684), (5691, 128048), (5936, 122763), (6342, 114904), (6504, 112042), (7248, 100541), (7588, 96036), (8003, 91056), (8456, 86178), (8904, 81842), (11382, 64024), (12684, 57452), (13008, 56021), (14363, 50736), (15176, 48018), (16006, 45528), (16912, 43089), (17808, 40921), (22764, 32012), (24009, 30352), (25368, 28726)]