38889720

素因数分解:

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

素因数の和:4027

約数の個数: 96

約数和(自身を含む): 131105520

約数和(自身を除く): 92215800

約数列:

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

約数ペア:

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