163840740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390097}}^1$

素因数の和:390116

約数の個数: 48

約数和(自身を含む): 524291712

約数和(自身を除く): 360450972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 390097, 780194, 1170291, 1560388, 1950485, 2340582, 2730679, 3900970, 4681164, 5461358, 5851455, 7801940, 8192037, 10922716, 11702910, 13653395, 16384074, 23405820, 27306790, 32768148, 40960185, 54613580, 81920370, 163840740]

約数ペア:

[(1, 163840740), (2, 81920370), (3, 54613580), (4, 40960185), (5, 32768148), (6, 27306790), (7, 23405820), (10, 16384074), (12, 13653395), (14, 11702910), (15, 10922716), (20, 8192037), (21, 7801940), (28, 5851455), (30, 5461358), (35, 4681164), (42, 3900970), (60, 2730679), (70, 2340582), (84, 1950485), (105, 1560388), (140, 1170291), (210, 780194), (420, 390097)]