1215696680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251177}}^1$

素因数の和:251210

約数の個数: 48

約数和(自身を含む): 3006600660

約数和(自身を除く): 1790903980

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 251177, 502354, 1004708, 1255885, 2009416, 2511770, 2762947, 5023540, 5525894, 10047080, 11051788, 13814735, 22103576, 27629470, 30392417, 55258940, 60784834, 110517880, 121569668, 151962085, 243139336, 303924170, 607848340, 1215696680]

約数ペア:

[(1, 1215696680), (2, 607848340), (4, 303924170), (5, 243139336), (8, 151962085), (10, 121569668), (11, 110517880), (20, 60784834), (22, 55258940), (40, 30392417), (44, 27629470), (55, 22103576), (88, 13814735), (110, 11051788), (121, 10047080), (220, 5525894), (242, 5023540), (440, 2762947), (484, 2511770), (605, 2009416), (968, 1255885), (1210, 1004708), (2420, 502354), (4840, 251177)]