162446720

素因数分解:

$2^7\times 5^1\times {\mathrm{253823}}^1$

素因数の和:253842

約数の個数: 32

約数和(自身を含む): 388350720

約数和(自身を除く): 225904000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 253823, 507646, 1015292, 1269115, 2030584, 2538230, 4061168, 5076460, 8122336, 10152920, 16244672, 20305840, 32489344, 40611680, 81223360, 162446720]

約数ペア:

[(1, 162446720), (2, 81223360), (4, 40611680), (5, 32489344), (8, 20305840), (10, 16244672), (16, 10152920), (20, 8122336), (32, 5076460), (40, 4061168), (64, 2538230), (80, 2030584), (128, 1269115), (160, 1015292), (320, 507646), (640, 253823)]