80941440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42157}}^1$

素因数の和:42179

約数の個数: 64

約数和(自身を含む): 258006960

約数和(自身を除く): 177065520

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, 42157, 84314, 126471, 168628, 210785, 252942, 337256, 421570, 505884, 632355, 674512, 843140, 1011768, 1264710, 1349024, 1686280, 2023536, 2529420, 2698048, 3372560, 4047072, 5058840, 5396096, 6745120, 8094144, 10117680, 13490240, 16188288, 20235360, 26980480, 40470720, 80941440]

約数ペア:

[(1, 80941440), (2, 40470720), (3, 26980480), (4, 20235360), (5, 16188288), (6, 13490240), (8, 10117680), (10, 8094144), (12, 6745120), (15, 5396096), (16, 5058840), (20, 4047072), (24, 3372560), (30, 2698048), (32, 2529420), (40, 2023536), (48, 1686280), (60, 1349024), (64, 1264710), (80, 1011768), (96, 843140), (120, 674512), (128, 632355), (160, 505884), (192, 421570), (240, 337256), (320, 252942), (384, 210785), (480, 168628), (640, 126471), (960, 84314), (1920, 42157)]