128520720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178501}}^1$

素因数の和:178520

約数の個数: 60

約数和(自身を含む): 431617836

約数和(自身を除く): 303097116

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178501, 357002, 535503, 714004, 892505, 1071006, 1428008, 1606509, 1785010, 2142012, 2677515, 2856016, 3213018, 3570020, 4284024, 5355030, 6426036, 7140040, 8032545, 8568048, 10710060, 12852072, 14280080, 16065090, 21420120, 25704144, 32130180, 42840240, 64260360, 128520720]

約数ペア:

[(1, 128520720), (2, 64260360), (3, 42840240), (4, 32130180), (5, 25704144), (6, 21420120), (8, 16065090), (9, 14280080), (10, 12852072), (12, 10710060), (15, 8568048), (16, 8032545), (18, 7140040), (20, 6426036), (24, 5355030), (30, 4284024), (36, 3570020), (40, 3213018), (45, 2856016), (48, 2677515), (60, 2142012), (72, 1785010), (80, 1606509), (90, 1428008), (120, 1071006), (144, 892505), (180, 714004), (240, 535503), (360, 357002), (720, 178501)]