80891520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42131}}^1$

素因数の和:42153

約数の個数: 64

約数和(自身を含む): 257847840

約数和(自身を除く): 176956320

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, 42131, 84262, 126393, 168524, 210655, 252786, 337048, 421310, 505572, 631965, 674096, 842620, 1011144, 1263930, 1348192, 1685240, 2022288, 2527860, 2696384, 3370480, 4044576, 5055720, 5392768, 6740960, 8089152, 10111440, 13481920, 16178304, 20222880, 26963840, 40445760, 80891520]

約数ペア:

[(1, 80891520), (2, 40445760), (3, 26963840), (4, 20222880), (5, 16178304), (6, 13481920), (8, 10111440), (10, 8089152), (12, 6740960), (15, 5392768), (16, 5055720), (20, 4044576), (24, 3370480), (30, 2696384), (32, 2527860), (40, 2022288), (48, 1685240), (60, 1348192), (64, 1263930), (80, 1011144), (96, 842620), (120, 674096), (128, 631965), (160, 505572), (192, 421310), (240, 337048), (320, 252786), (384, 210655), (480, 168524), (640, 126393), (960, 84262), (1920, 42131)]