137745920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4175

約数の個数: 80

約数和(自身を含む): 355758480

約数和(自身を除く): 218012560

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, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4139, 4160, 6656, 8278, 8320, 16556, 16640, 20695, 33112, 33280, 41390, 53807, 66224, 82780, 107614, 132448, 165560, 215228, 264896, 269035, 331120, 430456, 529792, 538070, 662240, 860912, 1059584, 1076140, 1324480, 1721824, 2119168, 2152280, 2648960, 3443648, 4304560, 5297920, 6887296, 8609120, 10595840, 13774592, 17218240, 27549184, 34436480, 68872960, 137745920]

約数ペア:

[(1, 137745920), (2, 68872960), (4, 34436480), (5, 27549184), (8, 17218240), (10, 13774592), (13, 10595840), (16, 8609120), (20, 6887296), (26, 5297920), (32, 4304560), (40, 3443648), (52, 2648960), (64, 2152280), (65, 2119168), (80, 1721824), (104, 1324480), (128, 1076140), (130, 1059584), (160, 860912), (208, 662240), (256, 538070), (260, 529792), (320, 430456), (416, 331120), (512, 269035), (520, 264896), (640, 215228), (832, 165560), (1040, 132448), (1280, 107614), (1664, 82780), (2080, 66224), (2560, 53807), (3328, 41390), (4139, 33280), (4160, 33112), (6656, 20695), (8278, 16640), (8320, 16556)]