27791820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 216

約数和(自身を含む): 103076064

約数和(自身を除く): 75284244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 137, 138, 140, 147, 161, 180, 196, 207, 210, 230, 245, 252, 274, 276, 294, 315, 322, 345, 411, 414, 420, 441, 460, 483, 490, 548, 588, 630, 644, 685, 690, 735, 805, 822, 828, 882, 959, 966, 980, 1035, 1127, 1233, 1260, 1370, 1380, 1449, 1470, 1610, 1644, 1764, 1918, 1932, 2055, 2070, 2205, 2254, 2415, 2466, 2740, 2877, 2898, 2940, 3151, 3220, 3381, 3836, 4110, 4140, 4410, 4508, 4795, 4830, 4932, 5635, 5754, 5796, 6165, 6302, 6713, 6762, 7245, 8220, 8631, 8820, 9453, 9590, 9660, 10143, 11270, 11508, 12330, 12604, 13426, 13524, 14385, 14490, 15755, 16905, 17262, 18906, 19180, 20139, 20286, 22057, 22540, 24660, 26852, 28359, 28770, 28980, 31510, 33565, 33810, 34524, 37812, 40278, 40572, 43155, 44114, 47265, 50715, 56718, 57540, 60417, 63020, 66171, 67130, 67620, 80556, 86310, 88228, 94530, 100695, 101430, 110285, 113436, 120834, 132342, 134260, 141795, 154399, 172620, 189060, 198513, 201390, 202860, 220570, 241668, 264684, 283590, 302085, 308798, 330855, 397026, 402780, 441140, 463197, 567180, 604170, 617596, 661710, 771995, 794052, 926394, 992565, 1208340, 1323420, 1389591, 1543990, 1852788, 1985130, 2315985, 2779182, 3087980, 3970260, 4631970, 5558364, 6947955, 9263940, 13895910, 27791820]

約数ペア:

[(1, 27791820), (2, 13895910), (3, 9263940), (4, 6947955), (5, 5558364), (6, 4631970), (7, 3970260), (9, 3087980), (10, 2779182), (12, 2315985), (14, 1985130), (15, 1852788), (18, 1543990), (20, 1389591), (21, 1323420), (23, 1208340), (28, 992565), (30, 926394), (35, 794052), (36, 771995), (42, 661710), (45, 617596), (46, 604170), (49, 567180), (60, 463197), (63, 441140), (69, 402780), (70, 397026), (84, 330855), (90, 308798), (92, 302085), (98, 283590), (105, 264684), (115, 241668), (126, 220570), (137, 202860), (138, 201390), (140, 198513), (147, 189060), (161, 172620), (180, 154399), (196, 141795), (207, 134260), (210, 132342), (230, 120834), (245, 113436), (252, 110285), (274, 101430), (276, 100695), (294, 94530), (315, 88228), (322, 86310), (345, 80556), (411, 67620), (414, 67130), (420, 66171), (441, 63020), (460, 60417), (483, 57540), (490, 56718), (548, 50715), (588, 47265), (630, 44114), (644, 43155), (685, 40572), (690, 40278), (735, 37812), (805, 34524), (822, 33810), (828, 33565), (882, 31510), (959, 28980), (966, 28770), (980, 28359), (1035, 26852), (1127, 24660), (1233, 22540), (1260, 22057), (1370, 20286), (1380, 20139), (1449, 19180), (1470, 18906), (1610, 17262), (1644, 16905), (1764, 15755), (1918, 14490), (1932, 14385), (2055, 13524), (2070, 13426), (2205, 12604), (2254, 12330), (2415, 11508), (2466, 11270), (2740, 10143), (2877, 9660), (2898, 9590), (2940, 9453), (3151, 8820), (3220, 8631), (3381, 8220), (3836, 7245), (4110, 6762), (4140, 6713), (4410, 6302), (4508, 6165), (4795, 5796), (4830, 5754), (4932, 5635)]