213565520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 160

約数和(自身を含む): 595795200

約数和(自身を除く): 382229680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 181, 196, 215, 245, 280, 301, 343, 344, 362, 392, 430, 490, 560, 602, 686, 688, 724, 784, 860, 905, 980, 1204, 1267, 1372, 1448, 1505, 1715, 1720, 1810, 1960, 2107, 2408, 2534, 2744, 2896, 3010, 3430, 3440, 3620, 3920, 4214, 4816, 5068, 5488, 6020, 6335, 6860, 7240, 7783, 8428, 8869, 10136, 10535, 12040, 12670, 13720, 14480, 14749, 15566, 16856, 17738, 20272, 21070, 24080, 25340, 27440, 29498, 31132, 33712, 35476, 38915, 42140, 44345, 50680, 54481, 58996, 62083, 62264, 70952, 73745, 77830, 84280, 88690, 101360, 108962, 117992, 124166, 124528, 141904, 147490, 155660, 168560, 177380, 217924, 235984, 248332, 272405, 294980, 310415, 311320, 354760, 381367, 435848, 496664, 544810, 589960, 620830, 622640, 709520, 762734, 871696, 993328, 1089620, 1179920, 1241660, 1525468, 1906835, 2179240, 2483320, 2669569, 3050936, 3813670, 4358480, 4966640, 5339138, 6101872, 7627340, 10678276, 13347845, 15254680, 21356552, 26695690, 30509360, 42713104, 53391380, 106782760, 213565520]

約数ペア:

[(1, 213565520), (2, 106782760), (4, 53391380), (5, 42713104), (7, 30509360), (8, 26695690), (10, 21356552), (14, 15254680), (16, 13347845), (20, 10678276), (28, 7627340), (35, 6101872), (40, 5339138), (43, 4966640), (49, 4358480), (56, 3813670), (70, 3050936), (80, 2669569), (86, 2483320), (98, 2179240), (112, 1906835), (140, 1525468), (172, 1241660), (181, 1179920), (196, 1089620), (215, 993328), (245, 871696), (280, 762734), (301, 709520), (343, 622640), (344, 620830), (362, 589960), (392, 544810), (430, 496664), (490, 435848), (560, 381367), (602, 354760), (686, 311320), (688, 310415), (724, 294980), (784, 272405), (860, 248332), (905, 235984), (980, 217924), (1204, 177380), (1267, 168560), (1372, 155660), (1448, 147490), (1505, 141904), (1715, 124528), (1720, 124166), (1810, 117992), (1960, 108962), (2107, 101360), (2408, 88690), (2534, 84280), (2744, 77830), (2896, 73745), (3010, 70952), (3430, 62264), (3440, 62083), (3620, 58996), (3920, 54481), (4214, 50680), (4816, 44345), (5068, 42140), (5488, 38915), (6020, 35476), (6335, 33712), (6860, 31132), (7240, 29498), (7783, 27440), (8428, 25340), (8869, 24080), (10136, 21070), (10535, 20272), (12040, 17738), (12670, 16856), (13720, 15566), (14480, 14749)]