77907780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1609}}^1$

素因数の和:1893

約数の個数: 72

約数和(自身を含む): 237346200

約数和(自身を除く): 159438420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1609, 1614, 2421, 2690, 3218, 3228, 4035, 4827, 4842, 5380, 6436, 8045, 8070, 9654, 9684, 12105, 14481, 16090, 16140, 19308, 24135, 24210, 28962, 32180, 48270, 48420, 57924, 72405, 96540, 144810, 289620, 432821, 865642, 1298463, 1731284, 2164105, 2596926, 3895389, 4328210, 5193852, 6492315, 7790778, 8656420, 12984630, 15581556, 19476945, 25969260, 38953890, 77907780]

約数ペア:

[(1, 77907780), (2, 38953890), (3, 25969260), (4, 19476945), (5, 15581556), (6, 12984630), (9, 8656420), (10, 7790778), (12, 6492315), (15, 5193852), (18, 4328210), (20, 3895389), (30, 2596926), (36, 2164105), (45, 1731284), (60, 1298463), (90, 865642), (180, 432821), (269, 289620), (538, 144810), (807, 96540), (1076, 72405), (1345, 57924), (1609, 48420), (1614, 48270), (2421, 32180), (2690, 28962), (3218, 24210), (3228, 24135), (4035, 19308), (4827, 16140), (4842, 16090), (5380, 14481), (6436, 12105), (8045, 9684), (8070, 9654)]