398445120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{138349}}^1$

素因数の和:138372

約数の個数: 84

約数和(自身を含む): 1370495100

約数和(自身を除く): 972049980

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, 138349, 276698, 415047, 553396, 691745, 830094, 1106792, 1245141, 1383490, 1660188, 2075235, 2213584, 2490282, 2766980, 3320376, 4150470, 4427168, 4980564, 5533960, 6225705, 6640752, 8300940, 8854336, 9961128, 11067920, 12451410, 13281504, 16601880, 19922256, 22135840, 24902820, 26563008, 33203760, 39844512, 44271680, 49805640, 66407520, 79689024, 99611280, 132815040, 199222560, 398445120]

約数ペア:

[(1, 398445120), (2, 199222560), (3, 132815040), (4, 99611280), (5, 79689024), (6, 66407520), (8, 49805640), (9, 44271680), (10, 39844512), (12, 33203760), (15, 26563008), (16, 24902820), (18, 22135840), (20, 19922256), (24, 16601880), (30, 13281504), (32, 12451410), (36, 11067920), (40, 9961128), (45, 8854336), (48, 8300940), (60, 6640752), (64, 6225705), (72, 5533960), (80, 4980564), (90, 4427168), (96, 4150470), (120, 3320376), (144, 2766980), (160, 2490282), (180, 2213584), (192, 2075235), (240, 1660188), (288, 1383490), (320, 1245141), (360, 1106792), (480, 830094), (576, 691745), (720, 553396), (960, 415047), (1440, 276698), (2880, 138349)]