166666240

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 112

約数和(自身を含む): 432118008

約数和(自身を除く): 265451768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 313, 320, 416, 512, 520, 626, 640, 832, 1024, 1040, 1252, 1280, 1565, 1664, 2048, 2080, 2504, 2560, 3130, 3328, 4069, 4096, 4160, 5008, 5120, 6260, 6656, 8138, 8192, 8320, 10016, 10240, 12520, 13312, 16276, 16640, 20032, 20345, 20480, 25040, 26624, 32552, 33280, 40064, 40690, 40960, 50080, 53248, 65104, 66560, 80128, 81380, 100160, 106496, 130208, 133120, 160256, 162760, 200320, 260416, 266240, 320512, 325520, 400640, 520832, 532480, 641024, 651040, 801280, 1041664, 1282048, 1302080, 1602560, 2083328, 2564096, 2604160, 3205120, 4166656, 5208320, 6410240, 8333312, 10416640, 12820480, 16666624, 20833280, 33333248, 41666560, 83333120, 166666240]

約数ペア:

[(1, 166666240), (2, 83333120), (4, 41666560), (5, 33333248), (8, 20833280), (10, 16666624), (13, 12820480), (16, 10416640), (20, 8333312), (26, 6410240), (32, 5208320), (40, 4166656), (52, 3205120), (64, 2604160), (65, 2564096), (80, 2083328), (104, 1602560), (128, 1302080), (130, 1282048), (160, 1041664), (208, 801280), (256, 651040), (260, 641024), (313, 532480), (320, 520832), (416, 400640), (512, 325520), (520, 320512), (626, 266240), (640, 260416), (832, 200320), (1024, 162760), (1040, 160256), (1252, 133120), (1280, 130208), (1565, 106496), (1664, 100160), (2048, 81380), (2080, 80128), (2504, 66560), (2560, 65104), (3130, 53248), (3328, 50080), (4069, 40960), (4096, 40690), (4160, 40064), (5008, 33280), (5120, 32552), (6260, 26624), (6656, 25040), (8138, 20480), (8192, 20345), (8320, 20032), (10016, 16640), (10240, 16276), (12520, 13312)]