320546970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{395737}}^1$

素因数の和:395756

約数の個数: 40

約数和(自身を含む): 861917364

約数和(自身を除く): 541370394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 395737, 791474, 1187211, 1978685, 2374422, 3561633, 3957370, 5936055, 7123266, 10684899, 11872110, 17808165, 21369798, 32054697, 35616330, 53424495, 64109394, 106848990, 160273485, 320546970]

約数ペア:

[(1, 320546970), (2, 160273485), (3, 106848990), (5, 64109394), (6, 53424495), (9, 35616330), (10, 32054697), (15, 21369798), (18, 17808165), (27, 11872110), (30, 10684899), (45, 7123266), (54, 5936055), (81, 3957370), (90, 3561633), (135, 2374422), (162, 1978685), (270, 1187211), (405, 791474), (810, 395737)]