245063680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 112

約数和(自身を含む): 610233984

約数和(自身を除く): 365170304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 193, 248, 256, 310, 320, 386, 496, 512, 620, 640, 772, 965, 992, 1024, 1240, 1280, 1544, 1930, 1984, 2048, 2480, 2560, 3088, 3860, 3968, 4096, 4960, 5120, 5983, 6176, 7720, 7936, 8192, 9920, 10240, 11966, 12352, 15440, 15872, 19840, 20480, 23932, 24704, 29915, 30880, 31744, 39680, 40960, 47864, 49408, 59830, 61760, 63488, 79360, 95728, 98816, 119660, 123520, 126976, 158720, 191456, 197632, 239320, 247040, 253952, 317440, 382912, 395264, 478640, 494080, 634880, 765824, 790528, 957280, 988160, 1269760, 1531648, 1581056, 1914560, 1976320, 3063296, 3829120, 3952640, 6126592, 7658240, 7905280, 12253184, 15316480, 24506368, 30632960, 49012736, 61265920, 122531840, 245063680]

約数ペア:

[(1, 245063680), (2, 122531840), (4, 61265920), (5, 49012736), (8, 30632960), (10, 24506368), (16, 15316480), (20, 12253184), (31, 7905280), (32, 7658240), (40, 6126592), (62, 3952640), (64, 3829120), (80, 3063296), (124, 1976320), (128, 1914560), (155, 1581056), (160, 1531648), (193, 1269760), (248, 988160), (256, 957280), (310, 790528), (320, 765824), (386, 634880), (496, 494080), (512, 478640), (620, 395264), (640, 382912), (772, 317440), (965, 253952), (992, 247040), (1024, 239320), (1240, 197632), (1280, 191456), (1544, 158720), (1930, 126976), (1984, 123520), (2048, 119660), (2480, 98816), (2560, 95728), (3088, 79360), (3860, 63488), (3968, 61760), (4096, 59830), (4960, 49408), (5120, 47864), (5983, 40960), (6176, 39680), (7720, 31744), (7936, 30880), (8192, 29915), (9920, 24704), (10240, 23932), (11966, 20480), (12352, 19840), (15440, 15872)]