131615960

素因数分解:

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

素因数の和:266

約数の個数: 128

約数和(自身を含む): 353808000

約数和(自身を除く): 222192040

約数列:

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

約数ペア:

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