279269120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 108

約数和(自身を含む): 724912776

約数和(自身を除く): 445643656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1280, 1291, 1352, 1664, 1690, 2080, 2582, 2704, 3328, 3380, 4160, 5164, 5408, 6455, 6760, 8320, 10328, 10816, 12910, 13520, 16640, 16783, 20656, 21632, 25820, 27040, 33566, 41312, 43264, 51640, 54080, 67132, 82624, 83915, 103280, 108160, 134264, 165248, 167830, 206560, 216320, 218179, 268528, 330496, 335660, 413120, 436358, 537056, 671320, 826240, 872716, 1074112, 1090895, 1342640, 1652480, 1745432, 2148224, 2181790, 2685280, 3490864, 4296448, 4363580, 5370560, 6981728, 8727160, 10741120, 13963456, 17454320, 21482240, 27926912, 34908640, 55853824, 69817280, 139634560, 279269120]

約数ペア:

[(1, 279269120), (2, 139634560), (4, 69817280), (5, 55853824), (8, 34908640), (10, 27926912), (13, 21482240), (16, 17454320), (20, 13963456), (26, 10741120), (32, 8727160), (40, 6981728), (52, 5370560), (64, 4363580), (65, 4296448), (80, 3490864), (104, 2685280), (128, 2181790), (130, 2148224), (160, 1745432), (169, 1652480), (208, 1342640), (256, 1090895), (260, 1074112), (320, 872716), (338, 826240), (416, 671320), (520, 537056), (640, 436358), (676, 413120), (832, 335660), (845, 330496), (1040, 268528), (1280, 218179), (1291, 216320), (1352, 206560), (1664, 167830), (1690, 165248), (2080, 134264), (2582, 108160), (2704, 103280), (3328, 83915), (3380, 82624), (4160, 67132), (5164, 54080), (5408, 51640), (6455, 43264), (6760, 41312), (8320, 33566), (10328, 27040), (10816, 25820), (12910, 21632), (13520, 20656), (16640, 16783)]