721769136

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 2170146816

約数和(自身を除く): 1448377680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 191, 204, 264, 272, 374, 382, 408, 421, 528, 561, 573, 748, 764, 816, 842, 1122, 1146, 1263, 1496, 1528, 1684, 2101, 2244, 2292, 2526, 2992, 3056, 3247, 3368, 4202, 4488, 4584, 4631, 5052, 6303, 6494, 6736, 7157, 8404, 8976, 9168, 9262, 9741, 10104, 12606, 12988, 13893, 14314, 16808, 18524, 19482, 20208, 21471, 25212, 25976, 27786, 28628, 33616, 35717, 37048, 38964, 42942, 50424, 51952, 55572, 57256, 71434, 74096, 77928, 78727, 80411, 85884, 100848, 107151, 111144, 114512, 142868, 155856, 157454, 160822, 171768, 214302, 222288, 236181, 241233, 285736, 314908, 321644, 343536, 428604, 472362, 482466, 571472, 629816, 643288, 857208, 884521, 944724, 964932, 1259632, 1286576, 1366987, 1714416, 1769042, 1889448, 1929864, 2653563, 2733974, 3538084, 3778896, 3859728, 4100961, 5307126, 5467948, 7076168, 8201922, 10614252, 10935896, 14152336, 15036857, 16403844, 21228504, 21871792, 30073714, 32807688, 42457008, 45110571, 60147428, 65615376, 90221142, 120294856, 180442284, 240589712, 360884568, 721769136]

約数ペア:

[(1, 721769136), (2, 360884568), (3, 240589712), (4, 180442284), (6, 120294856), (8, 90221142), (11, 65615376), (12, 60147428), (16, 45110571), (17, 42457008), (22, 32807688), (24, 30073714), (33, 21871792), (34, 21228504), (44, 16403844), (48, 15036857), (51, 14152336), (66, 10935896), (68, 10614252), (88, 8201922), (102, 7076168), (132, 5467948), (136, 5307126), (176, 4100961), (187, 3859728), (191, 3778896), (204, 3538084), (264, 2733974), (272, 2653563), (374, 1929864), (382, 1889448), (408, 1769042), (421, 1714416), (528, 1366987), (561, 1286576), (573, 1259632), (748, 964932), (764, 944724), (816, 884521), (842, 857208), (1122, 643288), (1146, 629816), (1263, 571472), (1496, 482466), (1528, 472362), (1684, 428604), (2101, 343536), (2244, 321644), (2292, 314908), (2526, 285736), (2992, 241233), (3056, 236181), (3247, 222288), (3368, 214302), (4202, 171768), (4488, 160822), (4584, 157454), (4631, 155856), (5052, 142868), (6303, 114512), (6494, 111144), (6736, 107151), (7157, 100848), (8404, 85884), (8976, 80411), (9168, 78727), (9262, 77928), (9741, 74096), (10104, 71434), (12606, 57256), (12988, 55572), (13893, 51952), (14314, 50424), (16808, 42942), (18524, 38964), (19482, 37048), (20208, 35717), (21471, 33616), (25212, 28628), (25976, 27786)]