1381661580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1771361}}^1$

素因数の和:1771386

約数の個数: 48

約数和(自身を含む): 4166243424

約数和(自身を除く): 2784581844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1771361, 3542722, 5314083, 7085444, 8856805, 10628166, 17713610, 21256332, 23027693, 26570415, 35427220, 46055386, 53140830, 69083079, 92110772, 106281660, 115138465, 138166158, 230276930, 276332316, 345415395, 460553860, 690830790, 1381661580]

約数ペア:

[(1, 1381661580), (2, 690830790), (3, 460553860), (4, 345415395), (5, 276332316), (6, 230276930), (10, 138166158), (12, 115138465), (13, 106281660), (15, 92110772), (20, 69083079), (26, 53140830), (30, 46055386), (39, 35427220), (52, 26570415), (60, 23027693), (65, 21256332), (78, 17713610), (130, 10628166), (156, 8856805), (195, 7085444), (260, 5314083), (390, 3542722), (780, 1771361)]