28801710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 89856000

約数和(自身を除く): 61054290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 311, 315, 343, 378, 441, 490, 622, 630, 686, 735, 882, 933, 945, 1029, 1323, 1470, 1555, 1715, 1866, 1890, 2058, 2177, 2205, 2646, 2799, 3087, 3110, 3430, 4354, 4410, 4665, 5145, 5598, 6174, 6531, 6615, 8397, 9261, 9330, 10290, 10885, 13062, 13230, 13995, 15239, 15435, 16794, 18522, 19593, 21770, 27990, 30478, 30870, 32655, 39186, 41985, 45717, 46305, 58779, 65310, 76195, 83970, 91434, 92610, 97965, 106673, 117558, 137151, 152390, 195930, 213346, 228585, 274302, 293895, 320019, 411453, 457170, 533365, 587790, 640038, 685755, 822906, 960057, 1066730, 1371510, 1600095, 1920114, 2057265, 2880171, 3200190, 4114530, 4800285, 5760342, 9600570, 14400855, 28801710]

約数ペア:

[(1, 28801710), (2, 14400855), (3, 9600570), (5, 5760342), (6, 4800285), (7, 4114530), (9, 3200190), (10, 2880171), (14, 2057265), (15, 1920114), (18, 1600095), (21, 1371510), (27, 1066730), (30, 960057), (35, 822906), (42, 685755), (45, 640038), (49, 587790), (54, 533365), (63, 457170), (70, 411453), (90, 320019), (98, 293895), (105, 274302), (126, 228585), (135, 213346), (147, 195930), (189, 152390), (210, 137151), (245, 117558), (270, 106673), (294, 97965), (311, 92610), (315, 91434), (343, 83970), (378, 76195), (441, 65310), (490, 58779), (622, 46305), (630, 45717), (686, 41985), (735, 39186), (882, 32655), (933, 30870), (945, 30478), (1029, 27990), (1323, 21770), (1470, 19593), (1555, 18522), (1715, 16794), (1866, 15435), (1890, 15239), (2058, 13995), (2177, 13230), (2205, 13062), (2646, 10885), (2799, 10290), (3087, 9330), (3110, 9261), (3430, 8397), (4354, 6615), (4410, 6531), (4665, 6174), (5145, 5598)]