77779440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4001}}^1$

素因数の和:4029

約数の個数: 120

約数和(自身を含む): 270951408

約数和(自身を除く): 193171968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4001, 4860, 6480, 8002, 9720, 12003, 16004, 19440, 20005, 24006, 32008, 36009, 40010, 48012, 60015, 64016, 72018, 80020, 96024, 108027, 120030, 144036, 160040, 180045, 192048, 216054, 240060, 288072, 320080, 324081, 360090, 432108, 480120, 540135, 576144, 648162, 720180, 864216, 960240, 972243, 1080270, 1296324, 1440360, 1620405, 1728432, 1944486, 2160540, 2592648, 2880720, 3240810, 3888972, 4321080, 4861215, 5185296, 6481620, 7777944, 8642160, 9722430, 12963240, 15555888, 19444860, 25926480, 38889720, 77779440]

約数ペア:

[(1, 77779440), (2, 38889720), (3, 25926480), (4, 19444860), (5, 15555888), (6, 12963240), (8, 9722430), (9, 8642160), (10, 7777944), (12, 6481620), (15, 5185296), (16, 4861215), (18, 4321080), (20, 3888972), (24, 3240810), (27, 2880720), (30, 2592648), (36, 2160540), (40, 1944486), (45, 1728432), (48, 1620405), (54, 1440360), (60, 1296324), (72, 1080270), (80, 972243), (81, 960240), (90, 864216), (108, 720180), (120, 648162), (135, 576144), (144, 540135), (162, 480120), (180, 432108), (216, 360090), (240, 324081), (243, 320080), (270, 288072), (324, 240060), (360, 216054), (405, 192048), (432, 180045), (486, 160040), (540, 144036), (648, 120030), (720, 108027), (810, 96024), (972, 80020), (1080, 72018), (1215, 64016), (1296, 60015), (1620, 48012), (1944, 40010), (2160, 36009), (2430, 32008), (3240, 24006), (3888, 20005), (4001, 19440), (4860, 16004), (6480, 12003), (8002, 9720)]