161048971520

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2373953}}^1$

素因数の和:2374027

約数の個数: 72

約数和(自身を含む): 393041320056

約数和(自身を除く): 231992348536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 3392, 4240, 6784, 8480, 13568, 16960, 33920, 67840, 2373953, 4747906, 9495812, 11869765, 18991624, 23739530, 37983248, 47479060, 75966496, 94958120, 125819509, 151932992, 189916240, 251639018, 303865984, 379832480, 503278036, 607731968, 629097545, 759664960, 1006556072, 1258195090, 1519329920, 2013112144, 2516390180, 3038659840, 4026224288, 5032780360, 8052448576, 10065560720, 16104897152, 20131121440, 32209794304, 40262242880, 80524485760, 161048971520]

約数ペア:

[(1, 161048971520), (2, 80524485760), (4, 40262242880), (5, 32209794304), (8, 20131121440), (10, 16104897152), (16, 10065560720), (20, 8052448576), (32, 5032780360), (40, 4026224288), (53, 3038659840), (64, 2516390180), (80, 2013112144), (106, 1519329920), (128, 1258195090), (160, 1006556072), (212, 759664960), (256, 629097545), (265, 607731968), (320, 503278036), (424, 379832480), (530, 303865984), (640, 251639018), (848, 189916240), (1060, 151932992), (1280, 125819509), (1696, 94958120), (2120, 75966496), (3392, 47479060), (4240, 37983248), (6784, 23739530), (8480, 18991624), (13568, 11869765), (16960, 9495812), (33920, 4747906), (67840, 2373953)]