81179700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 288

約数和(自身を含む): 293314560

約数和(自身を除く): 212134860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 31, 35, 42, 43, 50, 58, 60, 62, 70, 75, 84, 86, 87, 93, 100, 105, 116, 124, 129, 140, 145, 150, 155, 172, 174, 175, 186, 203, 210, 215, 217, 258, 290, 300, 301, 310, 348, 350, 372, 406, 420, 430, 434, 435, 465, 516, 525, 580, 602, 609, 620, 645, 651, 700, 725, 775, 812, 860, 868, 870, 899, 903, 930, 1015, 1050, 1075, 1085, 1204, 1218, 1247, 1290, 1302, 1333, 1450, 1505, 1550, 1740, 1798, 1806, 1860, 2030, 2100, 2150, 2170, 2175, 2325, 2436, 2494, 2580, 2604, 2666, 2697, 2900, 3010, 3045, 3100, 3225, 3255, 3596, 3612, 3741, 3999, 4060, 4300, 4340, 4350, 4495, 4515, 4650, 4988, 5075, 5332, 5394, 5425, 6020, 6090, 6235, 6293, 6450, 6510, 6665, 7482, 7525, 7998, 8700, 8729, 8990, 9030, 9300, 9331, 10150, 10788, 10850, 12180, 12470, 12586, 12900, 13020, 13330, 13485, 14964, 15050, 15225, 15996, 16275, 17458, 17980, 18060, 18662, 18705, 18879, 19995, 20300, 21700, 22475, 22575, 24940, 25172, 26187, 26660, 26970, 27993, 30100, 30450, 31175, 31465, 32550, 33325, 34916, 37324, 37410, 37758, 38657, 39990, 43645, 44950, 45150, 46655, 52374, 53940, 55986, 60900, 62350, 62930, 65100, 66650, 67425, 74820, 75516, 77314, 79980, 87290, 89900, 90300, 93310, 93525, 94395, 99975, 104748, 111972, 115971, 124700, 125860, 130935, 133300, 134850, 139965, 154628, 157325, 174580, 186620, 187050, 188790, 193285, 199950, 218225, 231942, 233275, 261870, 269700, 270599, 279930, 314650, 374100, 377580, 386570, 399900, 436450, 463884, 466550, 471975, 523740, 541198, 559860, 579855, 629300, 654675, 699825, 773140, 811797, 872900, 933100, 943950, 966425, 1082396, 1159710, 1309350, 1352995, 1399650, 1623594, 1887900, 1932850, 2319420, 2618700, 2705990, 2799300, 2899275, 3247188, 3865700, 4058985, 5411980, 5798550, 6764975, 8117970, 11597100, 13529950, 16235940, 20294925, 27059900, 40589850, 81179700]

約数ペア:

[(1, 81179700), (2, 40589850), (3, 27059900), (4, 20294925), (5, 16235940), (6, 13529950), (7, 11597100), (10, 8117970), (12, 6764975), (14, 5798550), (15, 5411980), (20, 4058985), (21, 3865700), (25, 3247188), (28, 2899275), (29, 2799300), (30, 2705990), (31, 2618700), (35, 2319420), (42, 1932850), (43, 1887900), (50, 1623594), (58, 1399650), (60, 1352995), (62, 1309350), (70, 1159710), (75, 1082396), (84, 966425), (86, 943950), (87, 933100), (93, 872900), (100, 811797), (105, 773140), (116, 699825), (124, 654675), (129, 629300), (140, 579855), (145, 559860), (150, 541198), (155, 523740), (172, 471975), (174, 466550), (175, 463884), (186, 436450), (203, 399900), (210, 386570), (215, 377580), (217, 374100), (258, 314650), (290, 279930), (300, 270599), (301, 269700), (310, 261870), (348, 233275), (350, 231942), (372, 218225), (406, 199950), (420, 193285), (430, 188790), (434, 187050), (435, 186620), (465, 174580), (516, 157325), (525, 154628), (580, 139965), (602, 134850), (609, 133300), (620, 130935), (645, 125860), (651, 124700), (700, 115971), (725, 111972), (775, 104748), (812, 99975), (860, 94395), (868, 93525), (870, 93310), (899, 90300), (903, 89900), (930, 87290), (1015, 79980), (1050, 77314), (1075, 75516), (1085, 74820), (1204, 67425), (1218, 66650), (1247, 65100), (1290, 62930), (1302, 62350), (1333, 60900), (1450, 55986), (1505, 53940), (1550, 52374), (1740, 46655), (1798, 45150), (1806, 44950), (1860, 43645), (2030, 39990), (2100, 38657), (2150, 37758), (2170, 37410), (2175, 37324), (2325, 34916), (2436, 33325), (2494, 32550), (2580, 31465), (2604, 31175), (2666, 30450), (2697, 30100), (2900, 27993), (3010, 26970), (3045, 26660), (3100, 26187), (3225, 25172), (3255, 24940), (3596, 22575), (3612, 22475), (3741, 21700), (3999, 20300), (4060, 19995), (4300, 18879), (4340, 18705), (4350, 18662), (4495, 18060), (4515, 17980), (4650, 17458), (4988, 16275), (5075, 15996), (5332, 15225), (5394, 15050), (5425, 14964), (6020, 13485), (6090, 13330), (6235, 13020), (6293, 12900), (6450, 12586), (6510, 12470), (6665, 12180), (7482, 10850), (7525, 10788), (7998, 10150), (8700, 9331), (8729, 9300), (8990, 9030)]