81050880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21107}}^1$

素因数の和:21131

約数の個数: 72

約数和(自身を含む): 258868512

約数和(自身を除く): 177817632

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21107, 42214, 63321, 84428, 105535, 126642, 168856, 211070, 253284, 316605, 337712, 422140, 506568, 633210, 675424, 844280, 1013136, 1266420, 1350848, 1688560, 2026272, 2532840, 2701696, 3377120, 4052544, 5065680, 5403392, 6754240, 8105088, 10131360, 13508480, 16210176, 20262720, 27016960, 40525440, 81050880]

約数ペア:

[(1, 81050880), (2, 40525440), (3, 27016960), (4, 20262720), (5, 16210176), (6, 13508480), (8, 10131360), (10, 8105088), (12, 6754240), (15, 5403392), (16, 5065680), (20, 4052544), (24, 3377120), (30, 2701696), (32, 2532840), (40, 2026272), (48, 1688560), (60, 1350848), (64, 1266420), (80, 1013136), (96, 844280), (120, 675424), (128, 633210), (160, 506568), (192, 422140), (240, 337712), (256, 316605), (320, 253284), (384, 211070), (480, 168856), (640, 126642), (768, 105535), (960, 84428), (1280, 63321), (1920, 42214), (3840, 21107)]