81329280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42359}}^1$

素因数の和:42381

約数の個数: 64

約数和(自身を含む): 259243200

約数和(自身を除く): 177913920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42359, 84718, 127077, 169436, 211795, 254154, 338872, 423590, 508308, 635385, 677744, 847180, 1016616, 1270770, 1355488, 1694360, 2033232, 2541540, 2710976, 3388720, 4066464, 5083080, 5421952, 6777440, 8132928, 10166160, 13554880, 16265856, 20332320, 27109760, 40664640, 81329280]

約数ペア:

[(1, 81329280), (2, 40664640), (3, 27109760), (4, 20332320), (5, 16265856), (6, 13554880), (8, 10166160), (10, 8132928), (12, 6777440), (15, 5421952), (16, 5083080), (20, 4066464), (24, 3388720), (30, 2710976), (32, 2541540), (40, 2033232), (48, 1694360), (60, 1355488), (64, 1270770), (80, 1016616), (96, 847180), (120, 677744), (128, 635385), (160, 508308), (192, 423590), (240, 338872), (320, 254154), (384, 211795), (480, 169436), (640, 127077), (960, 84718), (1920, 42359)]