42789780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21611}}^1$

素因数の和:21637

約数の個数: 72

約数和(自身を含む): 141601824

約数和(自身を除く): 98812044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21611, 43222, 64833, 86444, 108055, 129666, 194499, 216110, 237721, 259332, 324165, 388998, 432220, 475442, 648330, 713163, 777996, 950884, 972495, 1188605, 1296660, 1426326, 1944990, 2139489, 2377210, 2852652, 3565815, 3889980, 4278978, 4754420, 7131630, 8557956, 10697445, 14263260, 21394890, 42789780]

約数ペア:

[(1, 42789780), (2, 21394890), (3, 14263260), (4, 10697445), (5, 8557956), (6, 7131630), (9, 4754420), (10, 4278978), (11, 3889980), (12, 3565815), (15, 2852652), (18, 2377210), (20, 2139489), (22, 1944990), (30, 1426326), (33, 1296660), (36, 1188605), (44, 972495), (45, 950884), (55, 777996), (60, 713163), (66, 648330), (90, 475442), (99, 432220), (110, 388998), (132, 324165), (165, 259332), (180, 237721), (198, 216110), (220, 194499), (330, 129666), (396, 108055), (495, 86444), (660, 64833), (990, 43222), (1980, 21611)]