78480720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109001}}^1$

素因数の和:109020

約数の個数: 60

約数和(自身を含む): 263566836

約数和(自身を除く): 185086116

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, 109001, 218002, 327003, 436004, 545005, 654006, 872008, 981009, 1090010, 1308012, 1635015, 1744016, 1962018, 2180020, 2616024, 3270030, 3924036, 4360040, 4905045, 5232048, 6540060, 7848072, 8720080, 9810090, 13080120, 15696144, 19620180, 26160240, 39240360, 78480720]

約数ペア:

[(1, 78480720), (2, 39240360), (3, 26160240), (4, 19620180), (5, 15696144), (6, 13080120), (8, 9810090), (9, 8720080), (10, 7848072), (12, 6540060), (15, 5232048), (16, 4905045), (18, 4360040), (20, 3924036), (24, 3270030), (30, 2616024), (36, 2180020), (40, 1962018), (45, 1744016), (48, 1635015), (60, 1308012), (72, 1090010), (80, 981009), (90, 872008), (120, 654006), (144, 545005), (180, 436004), (240, 327003), (360, 218002), (720, 109001)]