1818707040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{420997}}^1$

素因数の和:421021

約数の個数: 96

約数和(自身を含む): 6365489760

約数和(自身を除く): 4546782720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 420997, 841994, 1262991, 1683988, 2104985, 2525982, 3367976, 3788973, 4209970, 5051964, 6314955, 6735952, 7577946, 8419940, 10103928, 11366919, 12629910, 13471904, 15155892, 16839880, 18944865, 20207856, 22733838, 25259820, 30311784, 33679760, 37889730, 40415712, 45467676, 50519640, 56834595, 60623568, 67359520, 75779460, 90935352, 101039280, 113669190, 121247136, 151558920, 181870704, 202078560, 227338380, 303117840, 363741408, 454676760, 606235680, 909353520, 1818707040]

約数ペア:

[(1, 1818707040), (2, 909353520), (3, 606235680), (4, 454676760), (5, 363741408), (6, 303117840), (8, 227338380), (9, 202078560), (10, 181870704), (12, 151558920), (15, 121247136), (16, 113669190), (18, 101039280), (20, 90935352), (24, 75779460), (27, 67359520), (30, 60623568), (32, 56834595), (36, 50519640), (40, 45467676), (45, 40415712), (48, 37889730), (54, 33679760), (60, 30311784), (72, 25259820), (80, 22733838), (90, 20207856), (96, 18944865), (108, 16839880), (120, 15155892), (135, 13471904), (144, 12629910), (160, 11366919), (180, 10103928), (216, 8419940), (240, 7577946), (270, 6735952), (288, 6314955), (360, 5051964), (432, 4209970), (480, 3788973), (540, 3367976), (720, 2525982), (864, 2104985), (1080, 1683988), (1440, 1262991), (2160, 841994), (4320, 420997)]