20720160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14389}}^1$

素因数の和:14410

約数の個数: 72

約数和(自身を含む): 70712460

約数和(自身を除く): 49992300

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, 14389, 28778, 43167, 57556, 71945, 86334, 115112, 129501, 143890, 172668, 215835, 230224, 259002, 287780, 345336, 431670, 460448, 518004, 575560, 647505, 690672, 863340, 1036008, 1151120, 1295010, 1381344, 1726680, 2072016, 2302240, 2590020, 3453360, 4144032, 5180040, 6906720, 10360080, 20720160]

約数ペア:

[(1, 20720160), (2, 10360080), (3, 6906720), (4, 5180040), (5, 4144032), (6, 3453360), (8, 2590020), (9, 2302240), (10, 2072016), (12, 1726680), (15, 1381344), (16, 1295010), (18, 1151120), (20, 1036008), (24, 863340), (30, 690672), (32, 647505), (36, 575560), (40, 518004), (45, 460448), (48, 431670), (60, 345336), (72, 287780), (80, 259002), (90, 230224), (96, 215835), (120, 172668), (144, 143890), (160, 129501), (180, 115112), (240, 86334), (288, 71945), (360, 57556), (480, 43167), (720, 28778), (1440, 14389)]