513354420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 1619025408

約数和(自身を除く): 1105670988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 197, 279, 310, 372, 394, 465, 467, 558, 591, 620, 788, 930, 934, 985, 1116, 1182, 1395, 1401, 1773, 1860, 1868, 1970, 2335, 2364, 2790, 2802, 2955, 3546, 3940, 4203, 4670, 5580, 5604, 5910, 6107, 7005, 7092, 8406, 8865, 9340, 11820, 12214, 14010, 14477, 16812, 17730, 18321, 21015, 24428, 28020, 28954, 30535, 35460, 36642, 42030, 43431, 54963, 57908, 61070, 72385, 73284, 84060, 86862, 91605, 91999, 109926, 122140, 130293, 144770, 173724, 183210, 183998, 217155, 219852, 260586, 274815, 275997, 289540, 366420, 367996, 434310, 459995, 521172, 549630, 551994, 651465, 827991, 868620, 919990, 1099260, 1103988, 1302930, 1379985, 1655982, 1839980, 2605860, 2759970, 2851969, 3311964, 4139955, 5519940, 5703938, 8279910, 8555907, 11407876, 14259845, 16559820, 17111814, 25667721, 28519690, 34223628, 42779535, 51335442, 57039380, 85559070, 102670884, 128338605, 171118140, 256677210, 513354420]

約数ペア:

[(1, 513354420), (2, 256677210), (3, 171118140), (4, 128338605), (5, 102670884), (6, 85559070), (9, 57039380), (10, 51335442), (12, 42779535), (15, 34223628), (18, 28519690), (20, 25667721), (30, 17111814), (31, 16559820), (36, 14259845), (45, 11407876), (60, 8555907), (62, 8279910), (90, 5703938), (93, 5519940), (124, 4139955), (155, 3311964), (180, 2851969), (186, 2759970), (197, 2605860), (279, 1839980), (310, 1655982), (372, 1379985), (394, 1302930), (465, 1103988), (467, 1099260), (558, 919990), (591, 868620), (620, 827991), (788, 651465), (930, 551994), (934, 549630), (985, 521172), (1116, 459995), (1182, 434310), (1395, 367996), (1401, 366420), (1773, 289540), (1860, 275997), (1868, 274815), (1970, 260586), (2335, 219852), (2364, 217155), (2790, 183998), (2802, 183210), (2955, 173724), (3546, 144770), (3940, 130293), (4203, 122140), (4670, 109926), (5580, 91999), (5604, 91605), (5910, 86862), (6107, 84060), (7005, 73284), (7092, 72385), (8406, 61070), (8865, 57908), (9340, 54963), (11820, 43431), (12214, 42030), (14010, 36642), (14477, 35460), (16812, 30535), (17730, 28954), (18321, 28020), (21015, 24428)]