128984760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358291}}^1$

素因数の和:358308

約数の個数: 48

約数和(自身を含む): 419201640

約数和(自身を除く): 290216880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 358291, 716582, 1074873, 1433164, 1791455, 2149746, 2866328, 3224619, 3582910, 4299492, 5374365, 6449238, 7165820, 8598984, 10748730, 12898476, 14331640, 16123095, 21497460, 25796952, 32246190, 42994920, 64492380, 128984760]

約数ペア:

[(1, 128984760), (2, 64492380), (3, 42994920), (4, 32246190), (5, 25796952), (6, 21497460), (8, 16123095), (9, 14331640), (10, 12898476), (12, 10748730), (15, 8598984), (18, 7165820), (20, 6449238), (24, 5374365), (30, 4299492), (36, 3582910), (40, 3224619), (45, 2866328), (60, 2149746), (72, 1791455), (90, 1433164), (120, 1074873), (180, 716582), (360, 358291)]