181996020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6203}}^1$

素因数の和:6381

約数の個数: 72

約数和(自身を含む): 555530976

約数和(自身を除く): 373534956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 6203, 7335, 9780, 12406, 14670, 18609, 24812, 29340, 31015, 37218, 55827, 62030, 74436, 93045, 111654, 124060, 186090, 223308, 279135, 372180, 558270, 1011089, 1116540, 2022178, 3033267, 4044356, 5055445, 6066534, 9099801, 10110890, 12133068, 15166335, 18199602, 20221780, 30332670, 36399204, 45499005, 60665340, 90998010, 181996020]

約数ペア:

[(1, 181996020), (2, 90998010), (3, 60665340), (4, 45499005), (5, 36399204), (6, 30332670), (9, 20221780), (10, 18199602), (12, 15166335), (15, 12133068), (18, 10110890), (20, 9099801), (30, 6066534), (36, 5055445), (45, 4044356), (60, 3033267), (90, 2022178), (163, 1116540), (180, 1011089), (326, 558270), (489, 372180), (652, 279135), (815, 223308), (978, 186090), (1467, 124060), (1630, 111654), (1956, 93045), (2445, 74436), (2934, 62030), (3260, 55827), (4890, 37218), (5868, 31015), (6203, 29340), (7335, 24812), (9780, 18609), (12406, 14670)]