121699840

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 80

約数和(自身を含む): 294771312

約数和(自身を除く): 173071472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 347, 512, 548, 640, 685, 694, 1096, 1280, 1370, 1388, 1735, 2192, 2560, 2740, 2776, 3470, 4384, 5480, 5552, 6940, 8768, 10960, 11104, 13880, 17536, 21920, 22208, 27760, 35072, 43840, 44416, 47539, 55520, 70144, 87680, 88832, 95078, 111040, 175360, 177664, 190156, 222080, 237695, 350720, 380312, 444160, 475390, 760624, 888320, 950780, 1521248, 1901560, 3042496, 3803120, 6084992, 7606240, 12169984, 15212480, 24339968, 30424960, 60849920, 121699840]

約数ペア:

[(1, 121699840), (2, 60849920), (4, 30424960), (5, 24339968), (8, 15212480), (10, 12169984), (16, 7606240), (20, 6084992), (32, 3803120), (40, 3042496), (64, 1901560), (80, 1521248), (128, 950780), (137, 888320), (160, 760624), (256, 475390), (274, 444160), (320, 380312), (347, 350720), (512, 237695), (548, 222080), (640, 190156), (685, 177664), (694, 175360), (1096, 111040), (1280, 95078), (1370, 88832), (1388, 87680), (1735, 70144), (2192, 55520), (2560, 47539), (2740, 44416), (2776, 43840), (3470, 35072), (4384, 27760), (5480, 22208), (5552, 21920), (6940, 17536), (8768, 13880), (10960, 11104)]