208151280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289099}}^1$

素因数の和:289118

約数の個数: 60

約数和(自身を含む): 699043800

約数和(自身を除く): 490892520

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, 289099, 578198, 867297, 1156396, 1445495, 1734594, 2312792, 2601891, 2890990, 3469188, 4336485, 4625584, 5203782, 5781980, 6938376, 8672970, 10407564, 11563960, 13009455, 13876752, 17345940, 20815128, 23127920, 26018910, 34691880, 41630256, 52037820, 69383760, 104075640, 208151280]

約数ペア:

[(1, 208151280), (2, 104075640), (3, 69383760), (4, 52037820), (5, 41630256), (6, 34691880), (8, 26018910), (9, 23127920), (10, 20815128), (12, 17345940), (15, 13876752), (16, 13009455), (18, 11563960), (20, 10407564), (24, 8672970), (30, 6938376), (36, 5781980), (40, 5203782), (45, 4625584), (48, 4336485), (60, 3469188), (72, 2890990), (80, 2601891), (90, 2312792), (120, 1734594), (144, 1445495), (180, 1156396), (240, 867297), (360, 578198), (720, 289099)]