49212540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21059

約数の個数: 72

約数和(自身を含む): 160768608

約数和(自身を除く): 111556068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21031, 42062, 63093, 84124, 105155, 126186, 189279, 210310, 252372, 273403, 315465, 378558, 420620, 546806, 630930, 757116, 820209, 946395, 1093612, 1261860, 1367015, 1640418, 1892790, 2460627, 2734030, 3280836, 3785580, 4101045, 4921254, 5468060, 8202090, 9842508, 12303135, 16404180, 24606270, 49212540]

約数ペア:

[(1, 49212540), (2, 24606270), (3, 16404180), (4, 12303135), (5, 9842508), (6, 8202090), (9, 5468060), (10, 4921254), (12, 4101045), (13, 3785580), (15, 3280836), (18, 2734030), (20, 2460627), (26, 1892790), (30, 1640418), (36, 1367015), (39, 1261860), (45, 1093612), (52, 946395), (60, 820209), (65, 757116), (78, 630930), (90, 546806), (117, 420620), (130, 378558), (156, 315465), (180, 273403), (195, 252372), (234, 210310), (260, 189279), (390, 126186), (468, 105155), (585, 84124), (780, 63093), (1170, 42062), (2340, 21031)]