27961020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{953}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 85424976

約数和(自身を除く): 57463956

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, 953, 978, 1467, 1630, 1906, 1956, 2445, 2859, 2934, 3260, 3812, 4765, 4890, 5718, 5868, 7335, 8577, 9530, 9780, 11436, 14295, 14670, 17154, 19060, 28590, 29340, 34308, 42885, 57180, 85770, 155339, 171540, 310678, 466017, 621356, 776695, 932034, 1398051, 1553390, 1864068, 2330085, 2796102, 3106780, 4660170, 5592204, 6990255, 9320340, 13980510, 27961020]

約数ペア:

[(1, 27961020), (2, 13980510), (3, 9320340), (4, 6990255), (5, 5592204), (6, 4660170), (9, 3106780), (10, 2796102), (12, 2330085), (15, 1864068), (18, 1553390), (20, 1398051), (30, 932034), (36, 776695), (45, 621356), (60, 466017), (90, 310678), (163, 171540), (180, 155339), (326, 85770), (489, 57180), (652, 42885), (815, 34308), (953, 29340), (978, 28590), (1467, 19060), (1630, 17154), (1906, 14670), (1956, 14295), (2445, 11436), (2859, 9780), (2934, 9530), (3260, 8577), (3812, 7335), (4765, 5868), (4890, 5718)]