64987740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2017}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 198329040

約数和(自身を除く): 133341300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2017, 2148, 2685, 3222, 3580, 4034, 5370, 6051, 6444, 8055, 8068, 10085, 10740, 12102, 16110, 18153, 20170, 24204, 30255, 32220, 36306, 40340, 60510, 72612, 90765, 121020, 181530, 361043, 363060, 722086, 1083129, 1444172, 1805215, 2166258, 3249387, 3610430, 4332516, 5415645, 6498774, 7220860, 10831290, 12997548, 16246935, 21662580, 32493870, 64987740]

約数ペア:

[(1, 64987740), (2, 32493870), (3, 21662580), (4, 16246935), (5, 12997548), (6, 10831290), (9, 7220860), (10, 6498774), (12, 5415645), (15, 4332516), (18, 3610430), (20, 3249387), (30, 2166258), (36, 1805215), (45, 1444172), (60, 1083129), (90, 722086), (179, 363060), (180, 361043), (358, 181530), (537, 121020), (716, 90765), (895, 72612), (1074, 60510), (1611, 40340), (1790, 36306), (2017, 32220), (2148, 30255), (2685, 24204), (3222, 20170), (3580, 18153), (4034, 16110), (5370, 12102), (6051, 10740), (6444, 10085), (8055, 8068)]