16559820

素因数分解:

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

素因数の和:679

約数の個数: 72

約数和(自身を含む): 50594544

約数和(自身を除く): 34034724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 467, 591, 788, 934, 985, 1182, 1401, 1773, 1868, 1970, 2335, 2364, 2802, 2955, 3546, 3940, 4203, 4670, 5604, 5910, 7005, 7092, 8406, 8865, 9340, 11820, 14010, 16812, 17730, 21015, 28020, 35460, 42030, 84060, 91999, 183998, 275997, 367996, 459995, 551994, 827991, 919990, 1103988, 1379985, 1655982, 1839980, 2759970, 3311964, 4139955, 5519940, 8279910, 16559820]

約数ペア:

[(1, 16559820), (2, 8279910), (3, 5519940), (4, 4139955), (5, 3311964), (6, 2759970), (9, 1839980), (10, 1655982), (12, 1379985), (15, 1103988), (18, 919990), (20, 827991), (30, 551994), (36, 459995), (45, 367996), (60, 275997), (90, 183998), (180, 91999), (197, 84060), (394, 42030), (467, 35460), (591, 28020), (788, 21015), (934, 17730), (985, 16812), (1182, 14010), (1401, 11820), (1773, 9340), (1868, 8865), (1970, 8406), (2335, 7092), (2364, 7005), (2802, 5910), (2955, 5604), (3546, 4670), (3940, 4203)]