123051520

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 80

約数和(自身を含む): 299632608

約数和(自身を除く): 176581088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 677, 710, 1136, 1280, 1354, 1420, 2272, 2560, 2708, 2840, 3385, 4544, 5416, 5680, 6770, 9088, 10832, 11360, 13540, 18176, 21664, 22720, 27080, 36352, 43328, 45440, 48067, 54160, 86656, 90880, 96134, 108320, 173312, 181760, 192268, 216640, 240335, 346624, 384536, 433280, 480670, 769072, 866560, 961340, 1538144, 1733120, 1922680, 3076288, 3845360, 6152576, 7690720, 12305152, 15381440, 24610304, 30762880, 61525760, 123051520]

約数ペア:

[(1, 123051520), (2, 61525760), (4, 30762880), (5, 24610304), (8, 15381440), (10, 12305152), (16, 7690720), (20, 6152576), (32, 3845360), (40, 3076288), (64, 1922680), (71, 1733120), (80, 1538144), (128, 961340), (142, 866560), (160, 769072), (256, 480670), (284, 433280), (320, 384536), (355, 346624), (512, 240335), (568, 216640), (640, 192268), (677, 181760), (710, 173312), (1136, 108320), (1280, 96134), (1354, 90880), (1420, 86656), (2272, 54160), (2560, 48067), (2708, 45440), (2840, 43328), (3385, 36352), (4544, 27080), (5416, 22720), (5680, 21664), (6770, 18176), (9088, 13540), (10832, 11360)]