263231920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 160

約数和(自身を含む): 731203200

約数和(自身を除く): 467971280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 181, 196, 212, 245, 265, 280, 343, 362, 371, 392, 424, 490, 530, 560, 686, 724, 742, 784, 848, 905, 980, 1060, 1267, 1372, 1448, 1484, 1715, 1810, 1855, 1960, 2120, 2534, 2597, 2744, 2896, 2968, 3430, 3620, 3710, 3920, 4240, 5068, 5194, 5488, 5936, 6335, 6860, 7240, 7420, 8869, 9593, 10136, 10388, 12670, 12985, 13720, 14480, 14840, 17738, 18179, 19186, 20272, 20776, 25340, 25970, 27440, 29680, 35476, 36358, 38372, 41552, 44345, 47965, 50680, 51940, 62083, 67151, 70952, 72716, 76744, 88690, 90895, 95930, 101360, 103880, 124166, 134302, 141904, 145432, 153488, 177380, 181790, 191860, 207760, 248332, 268604, 290864, 310415, 335755, 354760, 363580, 383720, 470057, 496664, 537208, 620830, 671510, 709520, 727160, 767440, 940114, 993328, 1074416, 1241660, 1343020, 1454320, 1880228, 2350285, 2483320, 2686040, 3290399, 3760456, 4700570, 4966640, 5372080, 6580798, 7520912, 9401140, 13161596, 16451995, 18802280, 26323192, 32903990, 37604560, 52646384, 65807980, 131615960, 263231920]

約数ペア:

[(1, 263231920), (2, 131615960), (4, 65807980), (5, 52646384), (7, 37604560), (8, 32903990), (10, 26323192), (14, 18802280), (16, 16451995), (20, 13161596), (28, 9401140), (35, 7520912), (40, 6580798), (49, 5372080), (53, 4966640), (56, 4700570), (70, 3760456), (80, 3290399), (98, 2686040), (106, 2483320), (112, 2350285), (140, 1880228), (181, 1454320), (196, 1343020), (212, 1241660), (245, 1074416), (265, 993328), (280, 940114), (343, 767440), (362, 727160), (371, 709520), (392, 671510), (424, 620830), (490, 537208), (530, 496664), (560, 470057), (686, 383720), (724, 363580), (742, 354760), (784, 335755), (848, 310415), (905, 290864), (980, 268604), (1060, 248332), (1267, 207760), (1372, 191860), (1448, 181790), (1484, 177380), (1715, 153488), (1810, 145432), (1855, 141904), (1960, 134302), (2120, 124166), (2534, 103880), (2597, 101360), (2744, 95930), (2896, 90895), (2968, 88690), (3430, 76744), (3620, 72716), (3710, 70952), (3920, 67151), (4240, 62083), (5068, 51940), (5194, 50680), (5488, 47965), (5936, 44345), (6335, 41552), (6860, 38372), (7240, 36358), (7420, 35476), (8869, 29680), (9593, 27440), (10136, 25970), (10388, 25340), (12670, 20776), (12985, 20272), (13720, 19186), (14480, 18179), (14840, 17738)]