390703560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250451}}^1$

素因数の和:250478

約数の個数: 64

約数和(自身を含む): 1262278080

約数和(自身を除く): 871574520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 250451, 500902, 751353, 1001804, 1252255, 1502706, 2003608, 2504510, 3005412, 3255863, 3756765, 5009020, 6010824, 6511726, 7513530, 9767589, 10018040, 13023452, 15027060, 16279315, 19535178, 26046904, 30054120, 32558630, 39070356, 48837945, 65117260, 78140712, 97675890, 130234520, 195351780, 390703560]

約数ペア:

[(1, 390703560), (2, 195351780), (3, 130234520), (4, 97675890), (5, 78140712), (6, 65117260), (8, 48837945), (10, 39070356), (12, 32558630), (13, 30054120), (15, 26046904), (20, 19535178), (24, 16279315), (26, 15027060), (30, 13023452), (39, 10018040), (40, 9767589), (52, 7513530), (60, 6511726), (65, 6010824), (78, 5009020), (104, 3756765), (120, 3255863), (130, 3005412), (156, 2504510), (195, 2003608), (260, 1502706), (312, 1252255), (390, 1001804), (520, 751353), (780, 500902), (1560, 250451)]