239991960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153841}}^1$

素因数の和:153868

約数の個数: 64

約数和(自身を含む): 775363680

約数和(自身を除く): 535371720

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, 153841, 307682, 461523, 615364, 769205, 923046, 1230728, 1538410, 1846092, 1999933, 2307615, 3076820, 3692184, 3999866, 4615230, 5999799, 6153640, 7999732, 9230460, 9999665, 11999598, 15999464, 18460920, 19999330, 23999196, 29998995, 39998660, 47998392, 59997990, 79997320, 119995980, 239991960]

約数ペア:

[(1, 239991960), (2, 119995980), (3, 79997320), (4, 59997990), (5, 47998392), (6, 39998660), (8, 29998995), (10, 23999196), (12, 19999330), (13, 18460920), (15, 15999464), (20, 11999598), (24, 9999665), (26, 9230460), (30, 7999732), (39, 6153640), (40, 5999799), (52, 4615230), (60, 3999866), (65, 3692184), (78, 3076820), (104, 2307615), (120, 1999933), (130, 1846092), (156, 1538410), (195, 1230728), (260, 923046), (312, 769205), (390, 615364), (520, 461523), (780, 307682), (1560, 153841)]