74478240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{51721}}^1$

素因数の和:51742

約数の個数: 72

約数和(自身を含む): 254161908

約数和(自身を除く): 179683668

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 51721, 103442, 155163, 206884, 258605, 310326, 413768, 465489, 517210, 620652, 775815, 827536, 930978, 1034420, 1241304, 1551630, 1655072, 1861956, 2068840, 2327445, 2482608, 3103260, 3723912, 4137680, 4654890, 4965216, 6206520, 7447824, 8275360, 9309780, 12413040, 14895648, 18619560, 24826080, 37239120, 74478240]

約数ペア:

[(1, 74478240), (2, 37239120), (3, 24826080), (4, 18619560), (5, 14895648), (6, 12413040), (8, 9309780), (9, 8275360), (10, 7447824), (12, 6206520), (15, 4965216), (16, 4654890), (18, 4137680), (20, 3723912), (24, 3103260), (30, 2482608), (32, 2327445), (36, 2068840), (40, 1861956), (45, 1655072), (48, 1551630), (60, 1241304), (72, 1034420), (80, 930978), (90, 827536), (96, 775815), (120, 620652), (144, 517210), (160, 465489), (180, 413768), (240, 310326), (288, 258605), (360, 206884), (480, 155163), (720, 103442), (1440, 51721)]