257969520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{358291}}^1$

素因数の和:358310

約数の個数: 60

約数和(自身を含む): 866350056

約数和(自身を除く): 608380536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 358291, 716582, 1074873, 1433164, 1791455, 2149746, 2866328, 3224619, 3582910, 4299492, 5374365, 5732656, 6449238, 7165820, 8598984, 10748730, 12898476, 14331640, 16123095, 17197968, 21497460, 25796952, 28663280, 32246190, 42994920, 51593904, 64492380, 85989840, 128984760, 257969520]

約数ペア:

[(1, 257969520), (2, 128984760), (3, 85989840), (4, 64492380), (5, 51593904), (6, 42994920), (8, 32246190), (9, 28663280), (10, 25796952), (12, 21497460), (15, 17197968), (16, 16123095), (18, 14331640), (20, 12898476), (24, 10748730), (30, 8598984), (36, 7165820), (40, 6449238), (45, 5732656), (48, 5374365), (60, 4299492), (72, 3582910), (80, 3224619), (90, 2866328), (120, 2149746), (144, 1791455), (180, 1433164), (240, 1074873), (360, 716582), (720, 358291)]