128880240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{537001}}^1$

素因数の和:537017

約数の個数: 40

約数和(自身を含む): 399529488

約数和(自身を除く): 270649248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 537001, 1074002, 1611003, 2148004, 2685005, 3222006, 4296008, 5370010, 6444012, 8055015, 8592016, 10740020, 12888024, 16110030, 21480040, 25776048, 32220060, 42960080, 64440120, 128880240]

約数ペア:

[(1, 128880240), (2, 64440120), (3, 42960080), (4, 32220060), (5, 25776048), (6, 21480040), (8, 16110030), (10, 12888024), (12, 10740020), (15, 8592016), (16, 8055015), (20, 6444012), (24, 5370010), (30, 4296008), (40, 3222006), (48, 2685005), (60, 2148004), (80, 1611003), (120, 1074002), (240, 537001)]