391683420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8467}}^1$

素因数の和:8739

約数の個数: 72

約数和(自身を含む): 1192870224

約数和(自身を除く): 801186804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 8467, 9252, 11565, 15420, 16934, 23130, 25401, 33868, 42335, 46260, 50802, 76203, 84670, 101604, 127005, 152406, 169340, 254010, 304812, 381015, 508020, 762030, 1524060, 2176019, 4352038, 6528057, 8704076, 10880095, 13056114, 19584171, 21760190, 26112228, 32640285, 39168342, 43520380, 65280570, 78336684, 97920855, 130561140, 195841710, 391683420]

約数ペア:

[(1, 391683420), (2, 195841710), (3, 130561140), (4, 97920855), (5, 78336684), (6, 65280570), (9, 43520380), (10, 39168342), (12, 32640285), (15, 26112228), (18, 21760190), (20, 19584171), (30, 13056114), (36, 10880095), (45, 8704076), (60, 6528057), (90, 4352038), (180, 2176019), (257, 1524060), (514, 762030), (771, 508020), (1028, 381015), (1285, 304812), (1542, 254010), (2313, 169340), (2570, 152406), (3084, 127005), (3855, 101604), (4626, 84670), (5140, 76203), (7710, 50802), (8467, 46260), (9252, 42335), (11565, 33868), (15420, 25401), (16934, 23130)]