320434140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31601}}^1$

素因数の和:31639

約数の個数: 72

約数和(自身を含む): 971571888

約数和(自身を除く): 651137748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 31601, 63202, 94803, 126404, 158005, 189606, 316010, 379212, 410813, 474015, 632020, 821626, 948030, 1232439, 1643252, 1896060, 2054065, 2464878, 4108130, 4929756, 5340569, 6162195, 8216260, 10681138, 12324390, 16021707, 21362276, 24648780, 26702845, 32043414, 53405690, 64086828, 80108535, 106811380, 160217070, 320434140]

約数ペア:

[(1, 320434140), (2, 160217070), (3, 106811380), (4, 80108535), (5, 64086828), (6, 53405690), (10, 32043414), (12, 26702845), (13, 24648780), (15, 21362276), (20, 16021707), (26, 12324390), (30, 10681138), (39, 8216260), (52, 6162195), (60, 5340569), (65, 4929756), (78, 4108130), (130, 2464878), (156, 2054065), (169, 1896060), (195, 1643252), (260, 1232439), (338, 948030), (390, 821626), (507, 632020), (676, 474015), (780, 410813), (845, 379212), (1014, 316010), (1690, 189606), (2028, 158005), (2535, 126404), (3380, 94803), (5070, 63202), (10140, 31601)]