128112840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{39541}}^1$

素因数の和:39564

約数の個数: 80

約数和(自身を含む): 430612380

約数和(自身を除く): 302499540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 39541, 79082, 118623, 158164, 197705, 237246, 316328, 355869, 395410, 474492, 593115, 711738, 790820, 948984, 1067607, 1186230, 1423476, 1581640, 1779345, 2135214, 2372460, 2846952, 3202821, 3558690, 4270428, 4744920, 5338035, 6405642, 7117380, 8540856, 10676070, 12811284, 14234760, 16014105, 21352140, 25622568, 32028210, 42704280, 64056420, 128112840]

約数ペア:

[(1, 128112840), (2, 64056420), (3, 42704280), (4, 32028210), (5, 25622568), (6, 21352140), (8, 16014105), (9, 14234760), (10, 12811284), (12, 10676070), (15, 8540856), (18, 7117380), (20, 6405642), (24, 5338035), (27, 4744920), (30, 4270428), (36, 3558690), (40, 3202821), (45, 2846952), (54, 2372460), (60, 2135214), (72, 1779345), (81, 1581640), (90, 1423476), (108, 1186230), (120, 1067607), (135, 948984), (162, 790820), (180, 711738), (216, 593115), (270, 474492), (324, 395410), (360, 355869), (405, 316328), (540, 237246), (648, 197705), (810, 158164), (1080, 118623), (1620, 79082), (3240, 39541)]