231172380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{142699}}^1$

素因数の和:142720

約数の個数: 60

約数和(自身を含む): 725201400

約数和(自身を除く): 494029020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 142699, 285398, 428097, 570796, 713495, 856194, 1284291, 1426990, 1712388, 2140485, 2568582, 2853980, 3852873, 4280970, 5137164, 6421455, 7705746, 8561940, 11558619, 12842910, 15411492, 19264365, 23117238, 25685820, 38528730, 46234476, 57793095, 77057460, 115586190, 231172380]

約数ペア:

[(1, 231172380), (2, 115586190), (3, 77057460), (4, 57793095), (5, 46234476), (6, 38528730), (9, 25685820), (10, 23117238), (12, 19264365), (15, 15411492), (18, 12842910), (20, 11558619), (27, 8561940), (30, 7705746), (36, 6421455), (45, 5137164), (54, 4280970), (60, 3852873), (81, 2853980), (90, 2568582), (108, 2140485), (135, 1712388), (162, 1426990), (180, 1284291), (270, 856194), (324, 713495), (405, 570796), (540, 428097), (810, 285398), (1620, 142699)]