77880120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649001}}^1$

素因数の和:649015

約数の個数: 32

約数和(自身を含む): 233640720

約数和(自身を除く): 155760600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649001, 1298002, 1947003, 2596004, 3245005, 3894006, 5192008, 6490010, 7788012, 9735015, 12980020, 15576024, 19470030, 25960040, 38940060, 77880120]

約数ペア:

[(1, 77880120), (2, 38940060), (3, 25960040), (4, 19470030), (5, 15576024), (6, 12980020), (8, 9735015), (10, 7788012), (12, 6490010), (15, 5192008), (20, 3894006), (24, 3245005), (30, 2596004), (40, 1947003), (60, 1298002), (120, 649001)]