81439560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75407}}^1$

素因数の和:75427

約数の個数: 64

約数和(自身を含む): 271468800

約数和(自身を除く): 190029240

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75407, 150814, 226221, 301628, 377035, 452442, 603256, 678663, 754070, 904884, 1131105, 1357326, 1508140, 1809768, 2035989, 2262210, 2714652, 3016280, 3393315, 4071978, 4524420, 5429304, 6786630, 8143956, 9048840, 10179945, 13573260, 16287912, 20359890, 27146520, 40719780, 81439560]

約数ペア:

[(1, 81439560), (2, 40719780), (3, 27146520), (4, 20359890), (5, 16287912), (6, 13573260), (8, 10179945), (9, 9048840), (10, 8143956), (12, 6786630), (15, 5429304), (18, 4524420), (20, 4071978), (24, 3393315), (27, 3016280), (30, 2714652), (36, 2262210), (40, 2035989), (45, 1809768), (54, 1508140), (60, 1357326), (72, 1131105), (90, 904884), (108, 754070), (120, 678663), (135, 603256), (180, 452442), (216, 377035), (270, 301628), (360, 226221), (540, 150814), (1080, 75407)]