40575420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 123885216

約数和(自身を除く): 83309796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1303, 1557, 1730, 2076, 2595, 2606, 3114, 3460, 3909, 5190, 5212, 6228, 6515, 7785, 7818, 10380, 11727, 13030, 15570, 15636, 19545, 23454, 26060, 31140, 39090, 46908, 58635, 78180, 117270, 225419, 234540, 450838, 676257, 901676, 1127095, 1352514, 2028771, 2254190, 2705028, 3381285, 4057542, 4508380, 6762570, 8115084, 10143855, 13525140, 20287710, 40575420]

約数ペア:

[(1, 40575420), (2, 20287710), (3, 13525140), (4, 10143855), (5, 8115084), (6, 6762570), (9, 4508380), (10, 4057542), (12, 3381285), (15, 2705028), (18, 2254190), (20, 2028771), (30, 1352514), (36, 1127095), (45, 901676), (60, 676257), (90, 450838), (173, 234540), (180, 225419), (346, 117270), (519, 78180), (692, 58635), (865, 46908), (1038, 39090), (1303, 31140), (1557, 26060), (1730, 23454), (2076, 19545), (2595, 15636), (2606, 15570), (3114, 13030), (3460, 11727), (3909, 10380), (5190, 7818), (5212, 7785), (6228, 6515)]