55897140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71663}}^1$

素因数の和:71688

約数の個数: 48

約数和(自身を含む): 168553728

約数和(自身を除く): 112656588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 71663, 143326, 214989, 286652, 358315, 429978, 716630, 859956, 931619, 1074945, 1433260, 1863238, 2149890, 2794857, 3726476, 4299780, 4658095, 5589714, 9316190, 11179428, 13974285, 18632380, 27948570, 55897140]

約数ペア:

[(1, 55897140), (2, 27948570), (3, 18632380), (4, 13974285), (5, 11179428), (6, 9316190), (10, 5589714), (12, 4658095), (13, 4299780), (15, 3726476), (20, 2794857), (26, 2149890), (30, 1863238), (39, 1433260), (52, 1074945), (60, 931619), (65, 859956), (78, 716630), (130, 429978), (156, 358315), (195, 286652), (260, 214989), (390, 143326), (780, 71663)]