312691140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17909}}^1$

素因数の和:18021

約数の個数: 72

約数和(自身を含む): 958328280

約数和(自身を除く): 645637140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 17909, 35818, 53727, 71636, 89545, 107454, 161181, 179090, 214908, 268635, 322362, 358180, 537270, 644724, 805905, 1074540, 1611810, 1737173, 3223620, 3474346, 5211519, 6948692, 8685865, 10423038, 15634557, 17371730, 20846076, 26057595, 31269114, 34743460, 52115190, 62538228, 78172785, 104230380, 156345570, 312691140]

約数ペア:

[(1, 312691140), (2, 156345570), (3, 104230380), (4, 78172785), (5, 62538228), (6, 52115190), (9, 34743460), (10, 31269114), (12, 26057595), (15, 20846076), (18, 17371730), (20, 15634557), (30, 10423038), (36, 8685865), (45, 6948692), (60, 5211519), (90, 3474346), (97, 3223620), (180, 1737173), (194, 1611810), (291, 1074540), (388, 805905), (485, 644724), (582, 537270), (873, 358180), (970, 322362), (1164, 268635), (1455, 214908), (1746, 179090), (1940, 161181), (2910, 107454), (3492, 89545), (4365, 71636), (5820, 53727), (8730, 35818), (17460, 17909)]