208128240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289067}}^1$

素因数の和:289086

約数の個数: 60

約数和(自身を含む): 698966424

約数和(自身を除く): 490838184

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, 289067, 578134, 867201, 1156268, 1445335, 1734402, 2312536, 2601603, 2890670, 3468804, 4336005, 4625072, 5203206, 5781340, 6937608, 8672010, 10406412, 11562680, 13008015, 13875216, 17344020, 20812824, 23125360, 26016030, 34688040, 41625648, 52032060, 69376080, 104064120, 208128240]

約数ペア:

[(1, 208128240), (2, 104064120), (3, 69376080), (4, 52032060), (5, 41625648), (6, 34688040), (8, 26016030), (9, 23125360), (10, 20812824), (12, 17344020), (15, 13875216), (16, 13008015), (18, 11562680), (20, 10406412), (24, 8672010), (30, 6937608), (36, 5781340), (40, 5203206), (45, 4625072), (48, 4336005), (60, 3468804), (72, 2890670), (80, 2601603), (90, 2312536), (120, 1734402), (144, 1445335), (180, 1156268), (240, 867201), (360, 578134), (720, 289067)]