128968560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{25589}}^1$

素因数の和:25615

約数の個数: 120

約数和(自身を含む): 495012960

約数和(自身を除く): 366044400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 25589, 51178, 76767, 102356, 127945, 153534, 179123, 204712, 230301, 255890, 307068, 358246, 383835, 409424, 460602, 511780, 537369, 614136, 716492, 767670, 895615, 921204, 1023560, 1074738, 1151505, 1228272, 1432984, 1535340, 1612107, 1791230, 1842408, 2047120, 2149476, 2303010, 2686845, 2865968, 3070680, 3224214, 3582460, 3684816, 4298952, 4606020, 5373690, 6141360, 6448428, 7164920, 8060535, 8597904, 9212040, 10747380, 12896856, 14329840, 16121070, 18424080, 21494760, 25793712, 32242140, 42989520, 64484280, 128968560]

約数ペア:

[(1, 128968560), (2, 64484280), (3, 42989520), (4, 32242140), (5, 25793712), (6, 21494760), (7, 18424080), (8, 16121070), (9, 14329840), (10, 12896856), (12, 10747380), (14, 9212040), (15, 8597904), (16, 8060535), (18, 7164920), (20, 6448428), (21, 6141360), (24, 5373690), (28, 4606020), (30, 4298952), (35, 3684816), (36, 3582460), (40, 3224214), (42, 3070680), (45, 2865968), (48, 2686845), (56, 2303010), (60, 2149476), (63, 2047120), (70, 1842408), (72, 1791230), (80, 1612107), (84, 1535340), (90, 1432984), (105, 1228272), (112, 1151505), (120, 1074738), (126, 1023560), (140, 921204), (144, 895615), (168, 767670), (180, 716492), (210, 614136), (240, 537369), (252, 511780), (280, 460602), (315, 409424), (336, 383835), (360, 358246), (420, 307068), (504, 255890), (560, 230301), (630, 204712), (720, 179123), (840, 153534), (1008, 127945), (1260, 102356), (1680, 76767), (2520, 51178), (5040, 25589)]