204640380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162413}}^1$

素因数の和:162435

約数の個数: 72

約数和(自身を含む): 709424352

約数和(自身を除く): 504783972

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, 162413, 324826, 487239, 649652, 812065, 974478, 1136891, 1461717, 1624130, 1948956, 2273782, 2436195, 2923434, 3248260, 3410673, 4547564, 4872390, 5684455, 5846868, 6821346, 7308585, 9744780, 10232019, 11368910, 13642692, 14617170, 17053365, 20464038, 22737820, 29234340, 34106730, 40928076, 51160095, 68213460, 102320190, 204640380]

約数ペア:

[(1, 204640380), (2, 102320190), (3, 68213460), (4, 51160095), (5, 40928076), (6, 34106730), (7, 29234340), (9, 22737820), (10, 20464038), (12, 17053365), (14, 14617170), (15, 13642692), (18, 11368910), (20, 10232019), (21, 9744780), (28, 7308585), (30, 6821346), (35, 5846868), (36, 5684455), (42, 4872390), (45, 4547564), (60, 3410673), (63, 3248260), (70, 2923434), (84, 2436195), (90, 2273782), (105, 1948956), (126, 1624130), (140, 1461717), (180, 1136891), (210, 974478), (252, 812065), (315, 649652), (420, 487239), (630, 324826), (1260, 162413)]