205151616

素因数分解:

$2^7\times 3^4\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 160

約数和(自身を含む): 624998880

約数和(自身を除く): 419847264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 81, 94, 96, 108, 128, 141, 144, 162, 188, 192, 216, 282, 288, 324, 376, 384, 421, 423, 432, 564, 576, 648, 752, 842, 846, 864, 1128, 1152, 1263, 1269, 1296, 1504, 1684, 1692, 1728, 2256, 2526, 2538, 2592, 3008, 3368, 3384, 3456, 3789, 3807, 4512, 5052, 5076, 5184, 6016, 6736, 6768, 7578, 7614, 9024, 10104, 10152, 10368, 11367, 13472, 13536, 15156, 15228, 18048, 19787, 20208, 20304, 22734, 26944, 27072, 30312, 30456, 34101, 39574, 40416, 40608, 45468, 53888, 54144, 59361, 60624, 60912, 68202, 79148, 80832, 81216, 90936, 118722, 121248, 121824, 136404, 158296, 161664, 162432, 178083, 181872, 237444, 242496, 243648, 272808, 316592, 356166, 363744, 474888, 484992, 487296, 534249, 545616, 633184, 712332, 727488, 949776, 1068498, 1091232, 1266368, 1424664, 1454976, 1602747, 1899552, 2136996, 2182464, 2532736, 2849328, 3205494, 3799104, 4273992, 4364928, 5698656, 6410988, 7598208, 8547984, 11397312, 12821976, 17095968, 22794624, 25643952, 34191936, 51287904, 68383872, 102575808, 205151616]

約数ペア:

[(1, 205151616), (2, 102575808), (3, 68383872), (4, 51287904), (6, 34191936), (8, 25643952), (9, 22794624), (12, 17095968), (16, 12821976), (18, 11397312), (24, 8547984), (27, 7598208), (32, 6410988), (36, 5698656), (47, 4364928), (48, 4273992), (54, 3799104), (64, 3205494), (72, 2849328), (81, 2532736), (94, 2182464), (96, 2136996), (108, 1899552), (128, 1602747), (141, 1454976), (144, 1424664), (162, 1266368), (188, 1091232), (192, 1068498), (216, 949776), (282, 727488), (288, 712332), (324, 633184), (376, 545616), (384, 534249), (421, 487296), (423, 484992), (432, 474888), (564, 363744), (576, 356166), (648, 316592), (752, 272808), (842, 243648), (846, 242496), (864, 237444), (1128, 181872), (1152, 178083), (1263, 162432), (1269, 161664), (1296, 158296), (1504, 136404), (1684, 121824), (1692, 121248), (1728, 118722), (2256, 90936), (2526, 81216), (2538, 80832), (2592, 79148), (3008, 68202), (3368, 60912), (3384, 60624), (3456, 59361), (3789, 54144), (3807, 53888), (4512, 45468), (5052, 40608), (5076, 40416), (5184, 39574), (6016, 34101), (6736, 30456), (6768, 30312), (7578, 27072), (7614, 26944), (9024, 22734), (10104, 20304), (10152, 20208), (10368, 19787), (11367, 18048), (13472, 15228), (13536, 15156)]