257344920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{102121}}^1$

素因数の和:102145

約数の個数: 96

約数和(自身を含む): 955861920

約数和(自身を除く): 698517000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 102121, 204242, 306363, 408484, 510605, 612726, 714847, 816968, 919089, 1021210, 1225452, 1429694, 1531815, 1838178, 2042420, 2144541, 2450904, 2859388, 3063630, 3574235, 3676356, 4084840, 4289082, 4595445, 5718776, 6127260, 6433623, 7148470, 7352712, 8578164, 9190890, 10722705, 12254520, 12867246, 14296940, 17156328, 18381780, 21445410, 25734492, 28593880, 32168115, 36763560, 42890820, 51468984, 64336230, 85781640, 128672460, 257344920]

約数ペア:

[(1, 257344920), (2, 128672460), (3, 85781640), (4, 64336230), (5, 51468984), (6, 42890820), (7, 36763560), (8, 32168115), (9, 28593880), (10, 25734492), (12, 21445410), (14, 18381780), (15, 17156328), (18, 14296940), (20, 12867246), (21, 12254520), (24, 10722705), (28, 9190890), (30, 8578164), (35, 7352712), (36, 7148470), (40, 6433623), (42, 6127260), (45, 5718776), (56, 4595445), (60, 4289082), (63, 4084840), (70, 3676356), (72, 3574235), (84, 3063630), (90, 2859388), (105, 2450904), (120, 2144541), (126, 2042420), (140, 1838178), (168, 1531815), (180, 1429694), (210, 1225452), (252, 1021210), (280, 919089), (315, 816968), (360, 714847), (420, 612726), (504, 510605), (630, 408484), (840, 306363), (1260, 204242), (2520, 102121)]