90779820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7603}}^1$

素因数の和:7814

約数の個数: 48

約数和(自身を含む): 255494400

約数和(自身を除く): 164714580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2985, 3980, 5970, 7603, 11940, 15206, 22809, 30412, 38015, 45618, 76030, 91236, 114045, 152060, 228090, 456180, 1512997, 3025994, 4538991, 6051988, 7564985, 9077982, 15129970, 18155964, 22694955, 30259940, 45389910, 90779820]

約数ペア:

[(1, 90779820), (2, 45389910), (3, 30259940), (4, 22694955), (5, 18155964), (6, 15129970), (10, 9077982), (12, 7564985), (15, 6051988), (20, 4538991), (30, 3025994), (60, 1512997), (199, 456180), (398, 228090), (597, 152060), (796, 114045), (995, 91236), (1194, 76030), (1990, 45618), (2388, 38015), (2985, 30412), (3980, 22809), (5970, 15206), (7603, 11940)]