128538480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76511}}^1$

素因数の和:76534

約数の個数: 80

約数和(自身を含む): 455399424

約数和(自身を除く): 326860944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76511, 153022, 229533, 306044, 382555, 459066, 535577, 612088, 765110, 918132, 1071154, 1147665, 1224176, 1530220, 1606731, 1836264, 2142308, 2295330, 2677885, 3060440, 3213462, 3672528, 4284616, 4590660, 5355770, 6120880, 6426924, 8033655, 8569232, 9181320, 10711540, 12853848, 16067310, 18362640, 21423080, 25707696, 32134620, 42846160, 64269240, 128538480]

約数ペア:

[(1, 128538480), (2, 64269240), (3, 42846160), (4, 32134620), (5, 25707696), (6, 21423080), (7, 18362640), (8, 16067310), (10, 12853848), (12, 10711540), (14, 9181320), (15, 8569232), (16, 8033655), (20, 6426924), (21, 6120880), (24, 5355770), (28, 4590660), (30, 4284616), (35, 3672528), (40, 3213462), (42, 3060440), (48, 2677885), (56, 2295330), (60, 2142308), (70, 1836264), (80, 1606731), (84, 1530220), (105, 1224176), (112, 1147665), (120, 1071154), (140, 918132), (168, 765110), (210, 612088), (240, 535577), (280, 459066), (336, 382555), (420, 306044), (560, 229533), (840, 153022), (1680, 76511)]