84739840

素因数分解:

$2^8\times 5^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 204563520

約数和(自身を除く): 119823680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 277, 320, 478, 554, 640, 956, 1108, 1195, 1280, 1385, 1912, 2216, 2390, 2770, 3824, 4432, 4780, 5540, 7648, 8864, 9560, 11080, 15296, 17728, 19120, 22160, 30592, 35456, 38240, 44320, 61184, 66203, 70912, 76480, 88640, 132406, 152960, 177280, 264812, 305920, 331015, 354560, 529624, 662030, 1059248, 1324060, 2118496, 2648120, 4236992, 5296240, 8473984, 10592480, 16947968, 21184960, 42369920, 84739840]

約数ペア:

[(1, 84739840), (2, 42369920), (4, 21184960), (5, 16947968), (8, 10592480), (10, 8473984), (16, 5296240), (20, 4236992), (32, 2648120), (40, 2118496), (64, 1324060), (80, 1059248), (128, 662030), (160, 529624), (239, 354560), (256, 331015), (277, 305920), (320, 264812), (478, 177280), (554, 152960), (640, 132406), (956, 88640), (1108, 76480), (1195, 70912), (1280, 66203), (1385, 61184), (1912, 44320), (2216, 38240), (2390, 35456), (2770, 30592), (3824, 22160), (4432, 19120), (4780, 17728), (5540, 15296), (7648, 11080), (8864, 9560)]