620648640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{215503}}^1$

素因数の和:215526

約数の個数: 84

約数和(自身を含む): 2134782624

約数和(自身を除く): 1514133984

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, 215503, 431006, 646509, 862012, 1077515, 1293018, 1724024, 1939527, 2155030, 2586036, 3232545, 3448048, 3879054, 4310060, 5172072, 6465090, 6896096, 7758108, 8620120, 9697635, 10344144, 12930180, 13792192, 15516216, 17240240, 19395270, 20688288, 25860360, 31032432, 34480480, 38790540, 41376576, 51720720, 62064864, 68960960, 77581080, 103441440, 124129728, 155162160, 206882880, 310324320, 620648640]

約数ペア:

[(1, 620648640), (2, 310324320), (3, 206882880), (4, 155162160), (5, 124129728), (6, 103441440), (8, 77581080), (9, 68960960), (10, 62064864), (12, 51720720), (15, 41376576), (16, 38790540), (18, 34480480), (20, 31032432), (24, 25860360), (30, 20688288), (32, 19395270), (36, 17240240), (40, 15516216), (45, 13792192), (48, 12930180), (60, 10344144), (64, 9697635), (72, 8620120), (80, 7758108), (90, 6896096), (96, 6465090), (120, 5172072), (144, 4310060), (160, 3879054), (180, 3448048), (192, 3232545), (240, 2586036), (288, 2155030), (320, 1939527), (360, 1724024), (480, 1293018), (576, 1077515), (720, 862012), (960, 646509), (1440, 431006), (2880, 215503)]