820121430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{1213}}^1$

素因数の和:1981

約数の個数: 64

約数和(自身を含む): 2036256768

約数和(自身を除く): 1216135338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 727, 930, 1213, 1454, 2181, 2426, 3635, 3639, 4362, 6065, 7270, 7278, 10905, 12130, 18195, 21810, 22537, 36390, 37603, 45074, 67611, 75206, 112685, 112809, 135222, 188015, 225370, 225618, 338055, 376030, 564045, 676110, 881851, 1128090, 1763702, 2645553, 4409255, 5291106, 8818510, 13227765, 26455530, 27337381, 54674762, 82012143, 136686905, 164024286, 273373810, 410060715, 820121430]

約数ペア:

[(1, 820121430), (2, 410060715), (3, 273373810), (5, 164024286), (6, 136686905), (10, 82012143), (15, 54674762), (30, 27337381), (31, 26455530), (62, 13227765), (93, 8818510), (155, 5291106), (186, 4409255), (310, 2645553), (465, 1763702), (727, 1128090), (930, 881851), (1213, 676110), (1454, 564045), (2181, 376030), (2426, 338055), (3635, 225618), (3639, 225370), (4362, 188015), (6065, 135222), (7270, 112809), (7278, 112685), (10905, 75206), (12130, 67611), (18195, 45074), (21810, 37603), (22537, 36390)]