1555681720

素因数分解:

$2^3\times 5^1\times {\mathrm{2633}}^1\times {\mathrm{14771}}^1$

素因数の和:17415

約数の個数: 32

約数和(自身を含む): 3501850320

約数和(自身を除く): 1946168600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2633, 5266, 10532, 13165, 14771, 21064, 26330, 29542, 52660, 59084, 73855, 105320, 118168, 147710, 295420, 590840, 38892043, 77784086, 155568172, 194460215, 311136344, 388920430, 777840860, 1555681720]

約数ペア:

[(1, 1555681720), (2, 777840860), (4, 388920430), (5, 311136344), (8, 194460215), (10, 155568172), (20, 77784086), (40, 38892043), (2633, 590840), (5266, 295420), (10532, 147710), (13165, 118168), (14771, 105320), (21064, 73855), (26330, 59084), (29542, 52660)]