130280540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 302758848

約数和(自身を除く): 172478308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 271, 430, 542, 559, 860, 1084, 1118, 1355, 1849, 2236, 2710, 2795, 3523, 3698, 5420, 5590, 7046, 7396, 9245, 11180, 11653, 14092, 17615, 18490, 23306, 24037, 35230, 36980, 46612, 48074, 58265, 70460, 96148, 116530, 120185, 151489, 233060, 240370, 302978, 480740, 501079, 605956, 757445, 1002158, 1514890, 2004316, 2505395, 3029780, 5010790, 6514027, 10021580, 13028054, 26056108, 32570135, 65140270, 130280540]

約数ペア:

[(1, 130280540), (2, 65140270), (4, 32570135), (5, 26056108), (10, 13028054), (13, 10021580), (20, 6514027), (26, 5010790), (43, 3029780), (52, 2505395), (65, 2004316), (86, 1514890), (130, 1002158), (172, 757445), (215, 605956), (260, 501079), (271, 480740), (430, 302978), (542, 240370), (559, 233060), (860, 151489), (1084, 120185), (1118, 116530), (1355, 96148), (1849, 70460), (2236, 58265), (2710, 48074), (2795, 46612), (3523, 36980), (3698, 35230), (5420, 24037), (5590, 23306), (7046, 18490), (7396, 17615), (9245, 14092), (11180, 11653)]