218675117960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{654011}}^1$

素因数の和:654678

約数の個数: 64

約数和(自身を含む): 530691497280

約数和(自身を除く): 312016379320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 643, 1286, 2572, 3215, 5144, 6430, 8359, 12860, 16718, 25720, 33436, 41795, 66872, 83590, 167180, 334360, 654011, 1308022, 2616044, 3270055, 5232088, 6540110, 8502143, 13080220, 17004286, 26160440, 34008572, 42510715, 68017144, 85021430, 170042860, 340085720, 420529073, 841058146, 1682116292, 2102645365, 3364232584, 4205290730, 5466877949, 8410581460, 10933755898, 16821162920, 21867511796, 27334389745, 43735023592, 54668779490, 109337558980, 218675117960]

約数ペア:

[(1, 218675117960), (2, 109337558980), (4, 54668779490), (5, 43735023592), (8, 27334389745), (10, 21867511796), (13, 16821162920), (20, 10933755898), (26, 8410581460), (40, 5466877949), (52, 4205290730), (65, 3364232584), (104, 2102645365), (130, 1682116292), (260, 841058146), (520, 420529073), (643, 340085720), (1286, 170042860), (2572, 85021430), (3215, 68017144), (5144, 42510715), (6430, 34008572), (8359, 26160440), (12860, 17004286), (16718, 13080220), (25720, 8502143), (33436, 6540110), (41795, 5232088), (66872, 3270055), (83590, 2616044), (167180, 1308022), (334360, 654011)]