2198457540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{16987}}^1$

素因数の和:17721

約数の個数: 72

約数和(自身を含む): 6678322560

約数和(自身を除く): 4479865020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 2157, 2876, 3595, 4314, 6471, 7190, 8628, 10785, 12942, 14380, 16987, 21570, 25884, 32355, 33974, 43140, 50961, 64710, 67948, 84935, 101922, 129420, 152883, 169870, 203844, 254805, 305766, 339740, 509610, 611532, 764415, 1019220, 1528830, 3057660, 12213653, 24427306, 36640959, 48854612, 61068265, 73281918, 109922877, 122136530, 146563836, 183204795, 219845754, 244273060, 366409590, 439691508, 549614385, 732819180, 1099228770, 2198457540]

約数ペア:

[(1, 2198457540), (2, 1099228770), (3, 732819180), (4, 549614385), (5, 439691508), (6, 366409590), (9, 244273060), (10, 219845754), (12, 183204795), (15, 146563836), (18, 122136530), (20, 109922877), (30, 73281918), (36, 61068265), (45, 48854612), (60, 36640959), (90, 24427306), (180, 12213653), (719, 3057660), (1438, 1528830), (2157, 1019220), (2876, 764415), (3595, 611532), (4314, 509610), (6471, 339740), (7190, 305766), (8628, 254805), (10785, 203844), (12942, 169870), (14380, 152883), (16987, 129420), (21570, 101922), (25884, 84935), (32355, 67948), (33974, 64710), (43140, 50961)]