20742536040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1\times {\mathrm{3911}}^1$

素因数の和:4347

約数の個数: 128

約数和(自身を含む): 62839238400

約数和(自身を除く): 42096702360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 229, 386, 458, 579, 687, 772, 916, 965, 1145, 1158, 1374, 1544, 1832, 1930, 2290, 2316, 2748, 2895, 3435, 3860, 3911, 4580, 4632, 5496, 5790, 6870, 7720, 7822, 9160, 11580, 11733, 13740, 15644, 19555, 23160, 23466, 27480, 31288, 39110, 44197, 46932, 58665, 78220, 88394, 93864, 117330, 132591, 156440, 176788, 220985, 234660, 265182, 353576, 441970, 469320, 530364, 662955, 754823, 883940, 895619, 1060728, 1325910, 1509646, 1767880, 1791238, 2264469, 2651820, 2686857, 3019292, 3582476, 3774115, 4478095, 4528938, 5303640, 5373714, 6038584, 7164952, 7548230, 8956190, 9057876, 10747428, 11322345, 13434285, 15096460, 17912380, 18115752, 21494856, 22644690, 26868570, 30192920, 35824760, 45289380, 53737140, 90578760, 107474280, 172854467, 345708934, 518563401, 691417868, 864272335, 1037126802, 1382835736, 1728544670, 2074253604, 2592817005, 3457089340, 4148507208, 5185634010, 6914178680, 10371268020, 20742536040]

約数ペア:

[(1, 20742536040), (2, 10371268020), (3, 6914178680), (4, 5185634010), (5, 4148507208), (6, 3457089340), (8, 2592817005), (10, 2074253604), (12, 1728544670), (15, 1382835736), (20, 1037126802), (24, 864272335), (30, 691417868), (40, 518563401), (60, 345708934), (120, 172854467), (193, 107474280), (229, 90578760), (386, 53737140), (458, 45289380), (579, 35824760), (687, 30192920), (772, 26868570), (916, 22644690), (965, 21494856), (1145, 18115752), (1158, 17912380), (1374, 15096460), (1544, 13434285), (1832, 11322345), (1930, 10747428), (2290, 9057876), (2316, 8956190), (2748, 7548230), (2895, 7164952), (3435, 6038584), (3860, 5373714), (3911, 5303640), (4580, 4528938), (4632, 4478095), (5496, 3774115), (5790, 3582476), (6870, 3019292), (7720, 2686857), (7822, 2651820), (9160, 2264469), (11580, 1791238), (11733, 1767880), (13740, 1509646), (15644, 1325910), (19555, 1060728), (23160, 895619), (23466, 883940), (27480, 754823), (31288, 662955), (39110, 530364), (44197, 469320), (46932, 441970), (58665, 353576), (78220, 265182), (88394, 234660), (93864, 220985), (117330, 176788), (132591, 156440)]