55209420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1084

約数の個数: 144

約数和(自身を含む): 196035840

約数和(自身を除く): 140826420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1019, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2038, 2580, 2709, 3010, 3057, 3612, 3870, 4076, 4515, 5095, 5418, 6020, 6114, 7133, 7740, 9030, 9171, 10190, 10836, 12228, 13545, 14266, 15285, 18060, 18342, 20380, 21399, 27090, 28532, 30570, 35665, 36684, 42798, 43817, 45855, 54180, 61140, 64197, 71330, 85596, 87634, 91710, 106995, 128394, 131451, 142660, 175268, 183420, 213990, 219085, 256788, 262902, 306719, 320985, 394353, 427980, 438170, 525804, 613438, 641970, 657255, 788706, 876340, 920157, 1226876, 1283940, 1314510, 1533595, 1577412, 1840314, 1971765, 2629020, 2760471, 3067190, 3680628, 3943530, 4600785, 5520942, 6134380, 7887060, 9201570, 11041884, 13802355, 18403140, 27604710, 55209420]

約数ペア:

[(1, 55209420), (2, 27604710), (3, 18403140), (4, 13802355), (5, 11041884), (6, 9201570), (7, 7887060), (9, 6134380), (10, 5520942), (12, 4600785), (14, 3943530), (15, 3680628), (18, 3067190), (20, 2760471), (21, 2629020), (28, 1971765), (30, 1840314), (35, 1577412), (36, 1533595), (42, 1314510), (43, 1283940), (45, 1226876), (60, 920157), (63, 876340), (70, 788706), (84, 657255), (86, 641970), (90, 613438), (105, 525804), (126, 438170), (129, 427980), (140, 394353), (172, 320985), (180, 306719), (210, 262902), (215, 256788), (252, 219085), (258, 213990), (301, 183420), (315, 175268), (387, 142660), (420, 131451), (430, 128394), (516, 106995), (602, 91710), (630, 87634), (645, 85596), (774, 71330), (860, 64197), (903, 61140), (1019, 54180), (1204, 45855), (1260, 43817), (1290, 42798), (1505, 36684), (1548, 35665), (1806, 30570), (1935, 28532), (2038, 27090), (2580, 21399), (2709, 20380), (3010, 18342), (3057, 18060), (3612, 15285), (3870, 14266), (4076, 13545), (4515, 12228), (5095, 10836), (5418, 10190), (6020, 9171), (6114, 9030), (7133, 7740)]