253903860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{201511}}^1$

素因数の和:201533

約数の個数: 72

約数和(自身を含む): 880204416

約数和(自身を除く): 626300556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 201511, 403022, 604533, 806044, 1007555, 1209066, 1410577, 1813599, 2015110, 2418132, 2821154, 3022665, 3627198, 4030220, 4231731, 5642308, 6045330, 7052885, 7254396, 8463462, 9067995, 12090660, 12695193, 14105770, 16926924, 18135990, 21158655, 25390386, 28211540, 36271980, 42317310, 50780772, 63475965, 84634620, 126951930, 253903860]

約数ペア:

[(1, 253903860), (2, 126951930), (3, 84634620), (4, 63475965), (5, 50780772), (6, 42317310), (7, 36271980), (9, 28211540), (10, 25390386), (12, 21158655), (14, 18135990), (15, 16926924), (18, 14105770), (20, 12695193), (21, 12090660), (28, 9067995), (30, 8463462), (35, 7254396), (36, 7052885), (42, 6045330), (45, 5642308), (60, 4231731), (63, 4030220), (70, 3627198), (84, 3022665), (90, 2821154), (105, 2418132), (126, 2015110), (140, 1813599), (180, 1410577), (210, 1209066), (252, 1007555), (315, 806044), (420, 604533), (630, 403022), (1260, 201511)]