181804420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 459841536

約数和(自身を除く): 278037116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 131, 140, 161, 230, 262, 322, 431, 460, 524, 644, 655, 805, 862, 917, 1310, 1610, 1724, 1834, 2155, 2620, 3013, 3017, 3220, 3668, 4310, 4585, 6026, 6034, 8620, 9170, 9913, 12052, 12068, 15065, 15085, 18340, 19826, 21091, 30130, 30170, 39652, 42182, 49565, 56461, 60260, 60340, 69391, 84364, 99130, 105455, 112922, 138782, 198260, 210910, 225844, 277564, 282305, 346955, 395227, 421820, 564610, 693910, 790454, 1129220, 1298603, 1387820, 1580908, 1976135, 2597206, 3952270, 5194412, 6493015, 7904540, 9090221, 12986030, 18180442, 25972060, 36360884, 45451105, 90902210, 181804420]

約数ペア:

[(1, 181804420), (2, 90902210), (4, 45451105), (5, 36360884), (7, 25972060), (10, 18180442), (14, 12986030), (20, 9090221), (23, 7904540), (28, 6493015), (35, 5194412), (46, 3952270), (70, 2597206), (92, 1976135), (115, 1580908), (131, 1387820), (140, 1298603), (161, 1129220), (230, 790454), (262, 693910), (322, 564610), (431, 421820), (460, 395227), (524, 346955), (644, 282305), (655, 277564), (805, 225844), (862, 210910), (917, 198260), (1310, 138782), (1610, 112922), (1724, 105455), (1834, 99130), (2155, 84364), (2620, 69391), (3013, 60340), (3017, 60260), (3220, 56461), (3668, 49565), (4310, 42182), (4585, 39652), (6026, 30170), (6034, 30130), (8620, 21091), (9170, 19826), (9913, 18340), (12052, 15085), (12068, 15065)]