71566040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19692

約数の個数: 64

約数和(自身を含む): 198192960

約数和(自身を除く): 126626920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19661, 39322, 78644, 98305, 137627, 157288, 196610, 255593, 275254, 393220, 511186, 550508, 688135, 786440, 1022372, 1101016, 1277965, 1376270, 1789151, 2044744, 2555930, 2752540, 3578302, 5111860, 5505080, 7156604, 8945755, 10223720, 14313208, 17891510, 35783020, 71566040]

約数ペア:

[(1, 71566040), (2, 35783020), (4, 17891510), (5, 14313208), (7, 10223720), (8, 8945755), (10, 7156604), (13, 5505080), (14, 5111860), (20, 3578302), (26, 2752540), (28, 2555930), (35, 2044744), (40, 1789151), (52, 1376270), (56, 1277965), (65, 1101016), (70, 1022372), (91, 786440), (104, 688135), (130, 550508), (140, 511186), (182, 393220), (260, 275254), (280, 255593), (364, 196610), (455, 157288), (520, 137627), (728, 98305), (910, 78644), (1820, 39322), (3640, 19661)]