12961440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{9001}}^1$

素因数の和:9022

約数の個数: 72

約数和(自身を含む): 44235828

約数和(自身を除く): 31274388

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 9001, 18002, 27003, 36004, 45005, 54006, 72008, 81009, 90010, 108012, 135015, 144016, 162018, 180020, 216024, 270030, 288032, 324036, 360040, 405045, 432048, 540060, 648072, 720080, 810090, 864096, 1080120, 1296144, 1440160, 1620180, 2160240, 2592288, 3240360, 4320480, 6480720, 12961440]

約数ペア:

[(1, 12961440), (2, 6480720), (3, 4320480), (4, 3240360), (5, 2592288), (6, 2160240), (8, 1620180), (9, 1440160), (10, 1296144), (12, 1080120), (15, 864096), (16, 810090), (18, 720080), (20, 648072), (24, 540060), (30, 432048), (32, 405045), (36, 360040), (40, 324036), (45, 288032), (48, 270030), (60, 216024), (72, 180020), (80, 162018), (90, 144016), (96, 135015), (120, 108012), (144, 90010), (160, 81009), (180, 72008), (240, 54006), (288, 45005), (360, 36004), (480, 27003), (720, 18002), (1440, 9001)]