320469840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{445097}}^1$

素因数の和:445116

約数の個数: 60

約数和(自身を含む): 1076246964

約数和(自身を除く): 755777124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 445097, 890194, 1335291, 1780388, 2225485, 2670582, 3560776, 4005873, 4450970, 5341164, 6676455, 7121552, 8011746, 8901940, 10682328, 13352910, 16023492, 17803880, 20029365, 21364656, 26705820, 32046984, 35607760, 40058730, 53411640, 64093968, 80117460, 106823280, 160234920, 320469840]

約数ペア:

[(1, 320469840), (2, 160234920), (3, 106823280), (4, 80117460), (5, 64093968), (6, 53411640), (8, 40058730), (9, 35607760), (10, 32046984), (12, 26705820), (15, 21364656), (16, 20029365), (18, 17803880), (20, 16023492), (24, 13352910), (30, 10682328), (36, 8901940), (40, 8011746), (45, 7121552), (48, 6676455), (60, 5341164), (72, 4450970), (80, 4005873), (90, 3560776), (120, 2670582), (144, 2225485), (180, 1780388), (240, 1335291), (360, 890194), (720, 445097)]