181200420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3917}}^1$

素因数の和:4189

約数の個数: 72

約数和(自身を含む): 551920824

約数和(自身を除く): 370720404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 3917, 4626, 5140, 7710, 7834, 9252, 11565, 11751, 15420, 15668, 19585, 23130, 23502, 35253, 39170, 46260, 47004, 58755, 70506, 78340, 117510, 141012, 176265, 235020, 352530, 705060, 1006669, 2013338, 3020007, 4026676, 5033345, 6040014, 9060021, 10066690, 12080028, 15100035, 18120042, 20133380, 30200070, 36240084, 45300105, 60400140, 90600210, 181200420]

約数ペア:

[(1, 181200420), (2, 90600210), (3, 60400140), (4, 45300105), (5, 36240084), (6, 30200070), (9, 20133380), (10, 18120042), (12, 15100035), (15, 12080028), (18, 10066690), (20, 9060021), (30, 6040014), (36, 5033345), (45, 4026676), (60, 3020007), (90, 2013338), (180, 1006669), (257, 705060), (514, 352530), (771, 235020), (1028, 176265), (1285, 141012), (1542, 117510), (2313, 78340), (2570, 70506), (3084, 58755), (3855, 47004), (3917, 46260), (4626, 39170), (5140, 35253), (7710, 23502), (7834, 23130), (9252, 19585), (11565, 15668), (11751, 15420)]