13012020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 47174400

約数和(自身を除く): 34162380

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, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 449, 460, 483, 630, 644, 690, 805, 828, 898, 966, 1035, 1260, 1347, 1380, 1449, 1610, 1796, 1932, 2070, 2245, 2415, 2694, 2898, 3143, 3220, 4041, 4140, 4490, 4830, 5388, 5796, 6286, 6735, 7245, 8082, 8980, 9429, 9660, 10327, 12572, 13470, 14490, 15715, 16164, 18858, 20205, 20654, 26940, 28287, 28980, 30981, 31430, 37716, 40410, 41308, 47145, 51635, 56574, 61962, 62860, 72289, 80820, 92943, 94290, 103270, 113148, 123924, 141435, 144578, 154905, 185886, 188580, 206540, 216867, 282870, 289156, 309810, 361445, 371772, 433734, 464715, 565740, 619620, 650601, 722890, 867468, 929430, 1084335, 1301202, 1445780, 1858860, 2168670, 2602404, 3253005, 4337340, 6506010, 13012020]

約数ペア:

[(1, 13012020), (2, 6506010), (3, 4337340), (4, 3253005), (5, 2602404), (6, 2168670), (7, 1858860), (9, 1445780), (10, 1301202), (12, 1084335), (14, 929430), (15, 867468), (18, 722890), (20, 650601), (21, 619620), (23, 565740), (28, 464715), (30, 433734), (35, 371772), (36, 361445), (42, 309810), (45, 289156), (46, 282870), (60, 216867), (63, 206540), (69, 188580), (70, 185886), (84, 154905), (90, 144578), (92, 141435), (105, 123924), (115, 113148), (126, 103270), (138, 94290), (140, 92943), (161, 80820), (180, 72289), (207, 62860), (210, 61962), (230, 56574), (252, 51635), (276, 47145), (315, 41308), (322, 40410), (345, 37716), (414, 31430), (420, 30981), (449, 28980), (460, 28287), (483, 26940), (630, 20654), (644, 20205), (690, 18858), (805, 16164), (828, 15715), (898, 14490), (966, 13470), (1035, 12572), (1260, 10327), (1347, 9660), (1380, 9429), (1449, 8980), (1610, 8082), (1796, 7245), (1932, 6735), (2070, 6286), (2245, 5796), (2415, 5388), (2694, 4830), (2898, 4490), (3143, 4140), (3220, 4041)]