20215171440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28076627}}^1$

素因数の和:28076646

約数の個数: 60

約数和(自身を含む): 67889286504

約数和(自身を除く): 47674115064

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, 28076627, 56153254, 84229881, 112306508, 140383135, 168459762, 224613016, 252689643, 280766270, 336919524, 421149405, 449226032, 505379286, 561532540, 673839048, 842298810, 1010758572, 1123065080, 1263448215, 1347678096, 1684597620, 2021517144, 2246130160, 2526896430, 3369195240, 4043034288, 5053792860, 6738390480, 10107585720, 20215171440]

約数ペア:

[(1, 20215171440), (2, 10107585720), (3, 6738390480), (4, 5053792860), (5, 4043034288), (6, 3369195240), (8, 2526896430), (9, 2246130160), (10, 2021517144), (12, 1684597620), (15, 1347678096), (16, 1263448215), (18, 1123065080), (20, 1010758572), (24, 842298810), (30, 673839048), (36, 561532540), (40, 505379286), (45, 449226032), (48, 421149405), (60, 336919524), (72, 280766270), (80, 252689643), (90, 224613016), (120, 168459762), (144, 140383135), (180, 112306508), (240, 84229881), (360, 56153254), (720, 28076627)]