256851360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1795

約数の個数: 144

約数和(自身を含む): 885227616

約数和(自身を除く): 628376256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 480, 535, 642, 720, 856, 963, 1070, 1284, 1440, 1605, 1667, 1712, 1926, 2140, 2568, 3210, 3334, 3424, 3852, 4280, 4815, 5001, 5136, 6420, 6668, 7704, 8335, 8560, 9630, 10002, 10272, 12840, 13336, 15003, 15408, 16670, 17120, 19260, 20004, 25005, 25680, 26672, 30006, 30816, 33340, 38520, 40008, 50010, 51360, 53344, 60012, 66680, 75015, 77040, 80016, 100020, 120024, 133360, 150030, 154080, 160032, 178369, 200040, 240048, 266720, 300060, 356738, 400080, 480096, 535107, 600120, 713476, 800160, 891845, 1070214, 1200240, 1426952, 1605321, 1783690, 2140428, 2400480, 2675535, 2853904, 3210642, 3567380, 4280856, 5351070, 5707808, 6421284, 7134760, 8026605, 8561712, 10702140, 12842568, 14269520, 16053210, 17123424, 21404280, 25685136, 28539040, 32106420, 42808560, 51370272, 64212840, 85617120, 128425680, 256851360]

約数ペア:

[(1, 256851360), (2, 128425680), (3, 85617120), (4, 64212840), (5, 51370272), (6, 42808560), (8, 32106420), (9, 28539040), (10, 25685136), (12, 21404280), (15, 17123424), (16, 16053210), (18, 14269520), (20, 12842568), (24, 10702140), (30, 8561712), (32, 8026605), (36, 7134760), (40, 6421284), (45, 5707808), (48, 5351070), (60, 4280856), (72, 3567380), (80, 3210642), (90, 2853904), (96, 2675535), (107, 2400480), (120, 2140428), (144, 1783690), (160, 1605321), (180, 1426952), (214, 1200240), (240, 1070214), (288, 891845), (321, 800160), (360, 713476), (428, 600120), (480, 535107), (535, 480096), (642, 400080), (720, 356738), (856, 300060), (963, 266720), (1070, 240048), (1284, 200040), (1440, 178369), (1605, 160032), (1667, 154080), (1712, 150030), (1926, 133360), (2140, 120024), (2568, 100020), (3210, 80016), (3334, 77040), (3424, 75015), (3852, 66680), (4280, 60012), (4815, 53344), (5001, 51360), (5136, 50010), (6420, 40008), (6668, 38520), (7704, 33340), (8335, 30816), (8560, 30006), (9630, 26672), (10002, 25680), (10272, 25005), (12840, 20004), (13336, 19260), (15003, 17120), (15408, 16670)]