1687366920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{89563}}^1$

素因数の和:89734

約数の個数: 64

約数和(自身を含む): 5094400320

約数和(自身を除く): 3407033400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 89563, 179126, 268689, 358252, 447815, 537378, 716504, 895630, 1074756, 1343445, 1791260, 2149512, 2686890, 3582520, 5373780, 10747560, 14061391, 28122782, 42184173, 56245564, 70306955, 84368346, 112491128, 140613910, 168736692, 210920865, 281227820, 337473384, 421841730, 562455640, 843683460, 1687366920]

約数ペア:

[(1, 1687366920), (2, 843683460), (3, 562455640), (4, 421841730), (5, 337473384), (6, 281227820), (8, 210920865), (10, 168736692), (12, 140613910), (15, 112491128), (20, 84368346), (24, 70306955), (30, 56245564), (40, 42184173), (60, 28122782), (120, 14061391), (157, 10747560), (314, 5373780), (471, 3582520), (628, 2686890), (785, 2149512), (942, 1791260), (1256, 1343445), (1570, 1074756), (1884, 895630), (2355, 716504), (3140, 537378), (3768, 447815), (4710, 358252), (6280, 268689), (9420, 179126), (18840, 89563)]