156980480540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{387281}}^1$

素因数の和:388862

約数の個数: 48

約数和(自身を含む): 355246032960

約数和(自身を除く): 198265552420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1559, 3118, 6236, 7795, 15590, 20267, 31180, 40534, 81068, 101335, 202670, 387281, 405340, 774562, 1549124, 1936405, 3872810, 5034653, 7745620, 10069306, 20138612, 25173265, 50346530, 100693060, 603771079, 1207542158, 2415084316, 3018855395, 6037710790, 7849024027, 12075421580, 15698048054, 31396096108, 39245120135, 78490240270, 156980480540]

約数ペア:

[(1, 156980480540), (2, 78490240270), (4, 39245120135), (5, 31396096108), (10, 15698048054), (13, 12075421580), (20, 7849024027), (26, 6037710790), (52, 3018855395), (65, 2415084316), (130, 1207542158), (260, 603771079), (1559, 100693060), (3118, 50346530), (6236, 25173265), (7795, 20138612), (15590, 10069306), (20267, 7745620), (31180, 5034653), (40534, 3872810), (81068, 1936405), (101335, 1549124), (202670, 774562), (387281, 405340)]