257520144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 160

約数和(自身を含む): 811376640

約数和(自身を除く): 553856496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 47, 48, 56, 69, 84, 92, 94, 112, 138, 141, 161, 168, 184, 188, 276, 282, 322, 329, 336, 368, 376, 483, 552, 564, 644, 658, 709, 752, 966, 987, 1081, 1104, 1128, 1288, 1316, 1418, 1932, 1974, 2127, 2162, 2256, 2576, 2632, 2836, 3243, 3864, 3948, 4254, 4324, 4963, 5264, 5672, 6486, 7567, 7728, 7896, 8508, 8648, 9926, 11344, 12972, 14889, 15134, 15792, 16307, 17016, 17296, 19852, 22701, 25944, 29778, 30268, 32614, 33323, 34032, 39704, 45402, 48921, 51888, 59556, 60536, 65228, 66646, 79408, 90804, 97842, 99969, 114149, 119112, 121072, 130456, 133292, 181608, 195684, 199938, 228298, 233261, 238224, 260912, 266584, 342447, 363216, 391368, 399876, 456596, 466522, 533168, 684894, 699783, 766429, 782736, 799752, 913192, 933044, 1369788, 1399566, 1532858, 1599504, 1826384, 1866088, 2299287, 2739576, 2799132, 3065716, 3732176, 4598574, 5365003, 5479152, 5598264, 6131432, 9197148, 10730006, 11196528, 12262864, 16095009, 18394296, 21460012, 32190018, 36788592, 42920024, 64380036, 85840048, 128760072, 257520144]

約数ペア:

[(1, 257520144), (2, 128760072), (3, 85840048), (4, 64380036), (6, 42920024), (7, 36788592), (8, 32190018), (12, 21460012), (14, 18394296), (16, 16095009), (21, 12262864), (23, 11196528), (24, 10730006), (28, 9197148), (42, 6131432), (46, 5598264), (47, 5479152), (48, 5365003), (56, 4598574), (69, 3732176), (84, 3065716), (92, 2799132), (94, 2739576), (112, 2299287), (138, 1866088), (141, 1826384), (161, 1599504), (168, 1532858), (184, 1399566), (188, 1369788), (276, 933044), (282, 913192), (322, 799752), (329, 782736), (336, 766429), (368, 699783), (376, 684894), (483, 533168), (552, 466522), (564, 456596), (644, 399876), (658, 391368), (709, 363216), (752, 342447), (966, 266584), (987, 260912), (1081, 238224), (1104, 233261), (1128, 228298), (1288, 199938), (1316, 195684), (1418, 181608), (1932, 133292), (1974, 130456), (2127, 121072), (2162, 119112), (2256, 114149), (2576, 99969), (2632, 97842), (2836, 90804), (3243, 79408), (3864, 66646), (3948, 65228), (4254, 60536), (4324, 59556), (4963, 51888), (5264, 48921), (5672, 45402), (6486, 39704), (7567, 34032), (7728, 33323), (7896, 32614), (8508, 30268), (8648, 29778), (9926, 25944), (11344, 22701), (12972, 19852), (14889, 17296), (15134, 17016), (15792, 16307)]