65807980

素因数分解:

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

素因数の和:264

約数の個数: 96

約数和(自身を含む): 165110400

約数和(自身を除く): 99302420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 181, 196, 212, 245, 265, 343, 362, 371, 490, 530, 686, 724, 742, 905, 980, 1060, 1267, 1372, 1484, 1715, 1810, 1855, 2534, 2597, 3430, 3620, 3710, 5068, 5194, 6335, 6860, 7420, 8869, 9593, 10388, 12670, 12985, 17738, 18179, 19186, 25340, 25970, 35476, 36358, 38372, 44345, 47965, 51940, 62083, 67151, 72716, 88690, 90895, 95930, 124166, 134302, 177380, 181790, 191860, 248332, 268604, 310415, 335755, 363580, 470057, 620830, 671510, 940114, 1241660, 1343020, 1880228, 2350285, 3290399, 4700570, 6580798, 9401140, 13161596, 16451995, 32903990, 65807980]

約数ペア:

[(1, 65807980), (2, 32903990), (4, 16451995), (5, 13161596), (7, 9401140), (10, 6580798), (14, 4700570), (20, 3290399), (28, 2350285), (35, 1880228), (49, 1343020), (53, 1241660), (70, 940114), (98, 671510), (106, 620830), (140, 470057), (181, 363580), (196, 335755), (212, 310415), (245, 268604), (265, 248332), (343, 191860), (362, 181790), (371, 177380), (490, 134302), (530, 124166), (686, 95930), (724, 90895), (742, 88690), (905, 72716), (980, 67151), (1060, 62083), (1267, 51940), (1372, 47965), (1484, 44345), (1715, 38372), (1810, 36358), (1855, 35476), (2534, 25970), (2597, 25340), (3430, 19186), (3620, 18179), (3710, 17738), (5068, 12985), (5194, 12670), (6335, 10388), (6860, 9593), (7420, 8869)]