155487488

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 351976800

約数和(自身を除く): 196489312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 2459, 3328, 3952, 4864, 4918, 7904, 9836, 15808, 19672, 31616, 31967, 39344, 46721, 63232, 63934, 78688, 93442, 127868, 157376, 186884, 255736, 314752, 373768, 511472, 607373, 629504, 747536, 1022944, 1214746, 1495072, 2045888, 2429492, 2990144, 4091776, 4858984, 5980288, 8183552, 9717968, 11960576, 19435936, 38871872, 77743744, 155487488]

約数ペア:

[(1, 155487488), (2, 77743744), (4, 38871872), (8, 19435936), (13, 11960576), (16, 9717968), (19, 8183552), (26, 5980288), (32, 4858984), (38, 4091776), (52, 2990144), (64, 2429492), (76, 2045888), (104, 1495072), (128, 1214746), (152, 1022944), (208, 747536), (247, 629504), (256, 607373), (304, 511472), (416, 373768), (494, 314752), (608, 255736), (832, 186884), (988, 157376), (1216, 127868), (1664, 93442), (1976, 78688), (2432, 63934), (2459, 63232), (3328, 46721), (3952, 39344), (4864, 31967), (4918, 31616), (7904, 19672), (9836, 15808)]