208740060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 655855200

約数和(自身を除く): 447115140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 149, 172, 180, 181, 215, 258, 298, 362, 387, 430, 447, 516, 543, 596, 645, 724, 745, 774, 860, 894, 905, 1086, 1290, 1341, 1490, 1548, 1629, 1788, 1810, 1935, 2172, 2235, 2580, 2682, 2715, 2980, 3258, 3620, 3870, 4470, 5364, 5430, 6407, 6516, 6705, 7740, 7783, 8145, 8940, 10860, 12814, 13410, 15566, 16290, 19221, 23349, 25628, 26820, 26969, 31132, 32035, 32580, 38442, 38915, 46698, 53938, 57663, 64070, 70047, 76884, 77830, 80907, 93396, 96105, 107876, 115326, 116745, 128140, 134845, 140094, 155660, 161814, 192210, 230652, 233490, 242721, 269690, 280188, 288315, 323628, 350235, 384420, 404535, 466980, 485442, 539380, 576630, 700470, 809070, 970884, 1153260, 1159667, 1213605, 1400940, 1618140, 2319334, 2427210, 3479001, 4638668, 4854420, 5798335, 6958002, 10437003, 11596670, 13916004, 17395005, 20874006, 23193340, 34790010, 41748012, 52185015, 69580020, 104370030, 208740060]

約数ペア:

[(1, 208740060), (2, 104370030), (3, 69580020), (4, 52185015), (5, 41748012), (6, 34790010), (9, 23193340), (10, 20874006), (12, 17395005), (15, 13916004), (18, 11596670), (20, 10437003), (30, 6958002), (36, 5798335), (43, 4854420), (45, 4638668), (60, 3479001), (86, 2427210), (90, 2319334), (129, 1618140), (149, 1400940), (172, 1213605), (180, 1159667), (181, 1153260), (215, 970884), (258, 809070), (298, 700470), (362, 576630), (387, 539380), (430, 485442), (447, 466980), (516, 404535), (543, 384420), (596, 350235), (645, 323628), (724, 288315), (745, 280188), (774, 269690), (860, 242721), (894, 233490), (905, 230652), (1086, 192210), (1290, 161814), (1341, 155660), (1490, 140094), (1548, 134845), (1629, 128140), (1788, 116745), (1810, 115326), (1935, 107876), (2172, 96105), (2235, 93396), (2580, 80907), (2682, 77830), (2715, 76884), (2980, 70047), (3258, 64070), (3620, 57663), (3870, 53938), (4470, 46698), (5364, 38915), (5430, 38442), (6407, 32580), (6516, 32035), (6705, 31132), (7740, 26969), (7783, 26820), (8145, 25628), (8940, 23349), (10860, 19221), (12814, 16290), (13410, 15566)]