161109780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206551}}^1$

素因数の和:206576

約数の個数: 48

約数和(自身を含む): 485810304

約数和(自身を除く): 324700524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 206551, 413102, 619653, 826204, 1032755, 1239306, 2065510, 2478612, 2685163, 3098265, 4131020, 5370326, 6196530, 8055489, 10740652, 12393060, 13425815, 16110978, 26851630, 32221956, 40277445, 53703260, 80554890, 161109780]

約数ペア:

[(1, 161109780), (2, 80554890), (3, 53703260), (4, 40277445), (5, 32221956), (6, 26851630), (10, 16110978), (12, 13425815), (13, 12393060), (15, 10740652), (20, 8055489), (26, 6196530), (30, 5370326), (39, 4131020), (52, 3098265), (60, 2685163), (65, 2478612), (78, 2065510), (130, 1239306), (156, 1032755), (195, 826204), (260, 619653), (390, 413102), (780, 206551)]