257520960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89417}}^1$

素因数の和:89440

約数の個数: 84

約数和(自身を含む): 885774708

約数和(自身を除く): 628253748

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89417, 178834, 268251, 357668, 447085, 536502, 715336, 804753, 894170, 1073004, 1341255, 1430672, 1609506, 1788340, 2146008, 2682510, 2861344, 3219012, 3576680, 4023765, 4292016, 5365020, 5722688, 6438024, 7153360, 8047530, 8584032, 10730040, 12876048, 14306720, 16095060, 17168064, 21460080, 25752096, 28613440, 32190120, 42920160, 51504192, 64380240, 85840320, 128760480, 257520960]

約数ペア:

[(1, 257520960), (2, 128760480), (3, 85840320), (4, 64380240), (5, 51504192), (6, 42920160), (8, 32190120), (9, 28613440), (10, 25752096), (12, 21460080), (15, 17168064), (16, 16095060), (18, 14306720), (20, 12876048), (24, 10730040), (30, 8584032), (32, 8047530), (36, 7153360), (40, 6438024), (45, 5722688), (48, 5365020), (60, 4292016), (64, 4023765), (72, 3576680), (80, 3219012), (90, 2861344), (96, 2682510), (120, 2146008), (144, 1788340), (160, 1609506), (180, 1430672), (192, 1341255), (240, 1073004), (288, 894170), (320, 804753), (360, 715336), (480, 536502), (576, 447085), (720, 357668), (960, 268251), (1440, 178834), (2880, 89417)]