515326529680

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1609}}^1\times {\mathrm{5087}}^1$

素因数の和:7496

約数の個数: 80

約数和(自身を含む): 1200638154240

約数和(自身を除く): 685311624560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 1609, 3148, 3218, 3935, 5087, 6296, 6436, 7870, 8045, 10174, 12592, 12872, 15740, 16090, 20348, 25435, 25744, 31480, 32180, 40696, 50870, 62960, 64360, 81392, 101740, 128720, 203480, 406960, 1266283, 2532566, 4003469, 5065132, 6331415, 8006938, 8184983, 10130264, 12662830, 16013876, 16369966, 20017345, 20260528, 25325660, 32027752, 32739932, 40034690, 40924915, 50651320, 64055504, 65479864, 80069380, 81849830, 101302640, 130959728, 160138760, 163699660, 320277520, 327399320, 654798640, 6441581621, 12883163242, 25766326484, 32207908105, 51532652968, 64415816210, 103065305936, 128831632420, 257663264840, 515326529680]

約数ペア:

[(1, 515326529680), (2, 257663264840), (4, 128831632420), (5, 103065305936), (8, 64415816210), (10, 51532652968), (16, 32207908105), (20, 25766326484), (40, 12883163242), (80, 6441581621), (787, 654798640), (1574, 327399320), (1609, 320277520), (3148, 163699660), (3218, 160138760), (3935, 130959728), (5087, 101302640), (6296, 81849830), (6436, 80069380), (7870, 65479864), (8045, 64055504), (10174, 50651320), (12592, 40924915), (12872, 40034690), (15740, 32739932), (16090, 32027752), (20348, 25325660), (25435, 20260528), (25744, 20017345), (31480, 16369966), (32180, 16013876), (40696, 12662830), (50870, 10130264), (62960, 8184983), (64360, 8006938), (81392, 6331415), (101740, 5065132), (128720, 4003469), (203480, 2532566), (406960, 1266283)]