261625344

素因数分解:

$2^9\times 3^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2491

約数の個数: 80

約数和(自身を含む): 707097600

約数和(自身を除く): 445472256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 384, 426, 512, 568, 768, 852, 1136, 1536, 1704, 2272, 2399, 3408, 4544, 4798, 6816, 7197, 9088, 9596, 13632, 14394, 18176, 19192, 27264, 28788, 36352, 38384, 54528, 57576, 76768, 109056, 115152, 153536, 170329, 230304, 307072, 340658, 460608, 510987, 614144, 681316, 921216, 1021974, 1228288, 1362632, 1842432, 2043948, 2725264, 3684864, 4087896, 5450528, 8175792, 10901056, 16351584, 21802112, 32703168, 43604224, 65406336, 87208448, 130812672, 261625344]

約数ペア:

[(1, 261625344), (2, 130812672), (3, 87208448), (4, 65406336), (6, 43604224), (8, 32703168), (12, 21802112), (16, 16351584), (24, 10901056), (32, 8175792), (48, 5450528), (64, 4087896), (71, 3684864), (96, 2725264), (128, 2043948), (142, 1842432), (192, 1362632), (213, 1228288), (256, 1021974), (284, 921216), (384, 681316), (426, 614144), (512, 510987), (568, 460608), (768, 340658), (852, 307072), (1136, 230304), (1536, 170329), (1704, 153536), (2272, 115152), (2399, 109056), (3408, 76768), (4544, 57576), (4798, 54528), (6816, 38384), (7197, 36352), (9088, 28788), (9596, 27264), (13632, 19192), (14394, 18176)]