123906560

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1721

約数の個数: 80

約数和(自身を含む): 307513800

約数和(自身を除く): 183607240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1669, 1856, 2320, 2560, 3338, 3712, 4640, 6676, 7424, 8345, 9280, 13352, 14848, 16690, 18560, 26704, 33380, 37120, 48401, 53408, 66760, 74240, 96802, 106816, 133520, 193604, 213632, 242005, 267040, 387208, 427264, 484010, 534080, 774416, 854528, 968020, 1068160, 1548832, 1936040, 2136320, 3097664, 3872080, 4272640, 6195328, 7744160, 12390656, 15488320, 24781312, 30976640, 61953280, 123906560]

約数ペア:

[(1, 123906560), (2, 61953280), (4, 30976640), (5, 24781312), (8, 15488320), (10, 12390656), (16, 7744160), (20, 6195328), (29, 4272640), (32, 3872080), (40, 3097664), (58, 2136320), (64, 1936040), (80, 1548832), (116, 1068160), (128, 968020), (145, 854528), (160, 774416), (232, 534080), (256, 484010), (290, 427264), (320, 387208), (464, 267040), (512, 242005), (580, 213632), (640, 193604), (928, 133520), (1160, 106816), (1280, 96802), (1669, 74240), (1856, 66760), (2320, 53408), (2560, 48401), (3338, 37120), (3712, 33380), (4640, 26704), (6676, 18560), (7424, 16690), (8345, 14848), (9280, 13352)]