18005580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 55469232

約数和(自身を除く): 37463652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1493, 2010, 2412, 2986, 3015, 4020, 4479, 5972, 6030, 7465, 8958, 12060, 13437, 14930, 17916, 22395, 26874, 29860, 44790, 53748, 67185, 89580, 100031, 134370, 200062, 268740, 300093, 400124, 500155, 600186, 900279, 1000310, 1200372, 1500465, 1800558, 2000620, 3000930, 3601116, 4501395, 6001860, 9002790, 18005580]

約数ペア:

[(1, 18005580), (2, 9002790), (3, 6001860), (4, 4501395), (5, 3601116), (6, 3000930), (9, 2000620), (10, 1800558), (12, 1500465), (15, 1200372), (18, 1000310), (20, 900279), (30, 600186), (36, 500155), (45, 400124), (60, 300093), (67, 268740), (90, 200062), (134, 134370), (180, 100031), (201, 89580), (268, 67185), (335, 53748), (402, 44790), (603, 29860), (670, 26874), (804, 22395), (1005, 17916), (1206, 14930), (1340, 13437), (1493, 12060), (2010, 8958), (2412, 7465), (2986, 6030), (3015, 5972), (4020, 4479)]