123984180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8719}}^1$

素因数の和:8813

約数の個数: 72

約数和(自身を含む): 380889600

約数和(自身を除く): 256905420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 8719, 14220, 17438, 26157, 34876, 43595, 52314, 78471, 87190, 104628, 130785, 156942, 174380, 261570, 313884, 392355, 523140, 688801, 784710, 1377602, 1569420, 2066403, 2755204, 3444005, 4132806, 6199209, 6888010, 8265612, 10332015, 12398418, 13776020, 20664030, 24796836, 30996045, 41328060, 61992090, 123984180]

約数ペア:

[(1, 123984180), (2, 61992090), (3, 41328060), (4, 30996045), (5, 24796836), (6, 20664030), (9, 13776020), (10, 12398418), (12, 10332015), (15, 8265612), (18, 6888010), (20, 6199209), (30, 4132806), (36, 3444005), (45, 2755204), (60, 2066403), (79, 1569420), (90, 1377602), (158, 784710), (180, 688801), (237, 523140), (316, 392355), (395, 313884), (474, 261570), (711, 174380), (790, 156942), (948, 130785), (1185, 104628), (1422, 87190), (1580, 78471), (2370, 52314), (2844, 43595), (3555, 34876), (4740, 26157), (7110, 17438), (8719, 14220)]